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Here we will learn about the volume of a square based pyramid, including how to calculate the volume of a square based pyramid and how to solve problems involving the volume.
There are also square based pyramid worksheets based on Edexcel, AQA and OCR exam questions, along with further guidance on where to go next if youβre still stuck.
The volume of a square based pyramid is how much space there is inside a square based pyramid.
A square based pyramid is a three dimensional shape made up of flat faces. It has a square base and triangular faces which meet at a point, called the apex. The vertical height is the length from the square base to the apex and is perpendicular to the base of the pyramid.
To calculate the volume of a square based pyramid we use the formula
katex is not defined.
The pyramid height should be perpendicular to its base.
The formula can also be written as
katex is not definedwhere
If we are not given the perpendicular height, we can use Pythagorasβ theorem to find it from the given slant height or the lateral edge length.
There are lots of different types of pyramids because the base of a pyramid can be any polygon.
For example, a rectangular pyramid has a rectangular base and a triangular pyramid (often known as a tetrahedron) has a triangular base.
The square pyramid formula for volume can be used for any pyramid.
In order to calculate the volume of a square based pyramid:
Get your free volume of square based pyramid worksheet of 20+ volume and surface area of a pyramid questions and answers. Includes reasoning and applied questions.
DOWNLOAD FREEGet your free volume of square based pyramid worksheet of 20+ volume and surface area of a pyramid questions and answers. Includes reasoning and applied questions.
DOWNLOAD FREEFind the volume of the square based pyramid.
The area of the base can be found by squaring the base edge.
katex is not defined2Substitute values into the formula and solve.
The volume of a square based pyramid can be found by using the formula.
katex is not defined3Write the answer, including the units.
The volume is katex is not defined
Find the volume of the square based pyramid.
Calculate the area of the base.
The area of the base can be found by squaring the base edge.
katex is not defined
Substitute values into the formula and solve.
The volume of a square based pyramid can be found by using the formula. But the height is given in a different unit of measurement to the side of the base, katex is not defined is katex is not defined
katex is not defined
Write the answer, including the units.
The volume is katex is not defined (to katex is not definedsf). This can be also written as katex is not defined
Find the volume of the square based pyramid. The apex of the pyramid is directly above the centre of the square base.
Calculate the area of the base.
The area of the base can be found by squaring the base edge.
katex is not defined
Substitute values into the formula and solve.
The volume of a square based pyramid can be found by using the formula. But the perpendicular height is not given. It can be found using Pythagorasβ theorem. The slant height of the pyramid katex is not defined is the hypotenuse.
katex is not defined
katex is not defined
Write the answer, including the units.
The volume is katex is not defined (to katex is not definedsf).
Find the volume of the square based pyramid. The apex of the pyramid is directly above the centre of the square base.
Calculate the area of the base.
The area of the base can be found by squaring the base edge.
katex is not defined
Substitute values into the formula and solve.
The volume of a square based pyramid can be found by using the formula. But we do not know the perpendicular height. We have been given the lateral edge length. We will need to apply Pythagorasβ theorem twice to find the perpendicular height.
The value katex is not defined comes from using the midpoint of the base edge to make right angled triangles.
First we find the slant length from the lateral edge length.
katex is not defined
Then we can find the perpendicular height of the square based pyramid.
katex is not defined
katex is not defined
Write the answer, including the units.
The volume is katex is not defined (to katex is not defined sf).
The volume of the square based pyramid is katex is not defined Find the perpendicular height, katex is not defined Give your answer to katex is not defined significant figures.
Calculate the area of the base.
The area of the base can be found by squaring the base edge.
katex is not defined
Substitute values into the formula and solve.
The formula for the volume of the square based pyramid can be used to find the perpendicular height, katex is not defined
katex is not defined
Write the answer, including the units.
The perpendicular height katex is not defined is katex is not defined (to katex is not defined sf).
The volume of the square based pyramid is katex is not defined Find the base edge. Give your answer correct to katex is not defined decimal place.
Calculate the area of the base.
The area of the base can not be found yet. But, when we find it we can square root it to find the length of the base (the base edge).
Substitute values into the formula and solve.
The formula for the volume of the square based pyramid can be used to find the base area.
katex is not defined
We can then square root the base area to find the length of the base.
katex is not defined
Write the answer, including the units.
The length of the base is katex is not defined (to katex is not defined dp).
The height of a square pyramid needs to be the perpendicular height. This is the height that is at a right-angle to the base.
Remember to use cubic units for volume such as katex is not defined or katex is not defined Square units such as katex is not defined or katex is not defined are for areas.
There are many different volume formulas in maths. Make sure that you use the correct one to work out the volume of a pyramid.
katex is not defined
Or
katex is not defined
When there are two or more steps in your workings, do not round your workings. Only round at the end of your solution so that your answer is accurate.
At the end of the question, make sure you round your answer to the correct number of decimal places or significant figures.
Volume of a pyramid is part of our series of lessons to support revision on pyramids. You may find it helpful to start with the main pyramid lesson for a summary of what to expect, or use the step by step guides below for further detail on individual topics. Other lessons in this series include:
1. Work out the volume of this square based pyramid.
We can work out the volume of a pyramid by using the formula
katex is not defined
The base area can be found by squaring the side length of the base square.
katex is not defined
We can substitute the values we have been given into the formula and work out the volume.
katex is not defined
So the volume is katex is not defined
2. Work out the volume of this square based pyramid. Give your answer in katex is not defined
We can work out the volume of a pyramid by using the formula
katex is not defined
The base area can be found by squaring the side length. The side length is in katex is not defined so needs converting the katex is not defined
katex is not defined
The height of katex is not defined needs to be converted to katex is not defined.
We can substitute the values we have been given into the formula and work out the volume.
katex is not defined
So the volume is katex is not defined.
3. Work out the volume of this square based pyramid. Give your answer in katex is not defined correct to three significant figures.
We can work out the volume of a pyramid by using the formula
katex is not defined
The base area can be found by squaring the side length.
katex is not defined
We have been given the slant length. We can use this to find the perpendicular height of the pyramid.
katex is not defined
We can substitute the values we have been given into the formula and work out the volume.
katex is not defined
So the volume is katex is not defined (to katex is not defined sf).
4. Work out the volume of this square based pyramid. katex is not defined is directly above katex is not defined and katex is not defined is katex is not defined Give your answer in katex is not defined
We can work out the volume of a pyramid by using the formula
katex is not defined
The base area can be found by squaring the side length.
katex is not defined
We have been given a slant length. We can use this to find the perpendicular height of the pyramid.
katex is not defined
We can substitute the values we have been given into the formula and work out the volume.
katex is not defined
So the volume is katex is not defined.
5. The volume of this square based pyramid is katex is not defined Find the perpendicular height of the pyramid. Give your answer correct to katex is not defined significant figures.
We can substitute the values we are given into volume of a pyramid formula and rearrange it to find the height, katex is not defined
katex is not defined
So the perpendicular height is katex is not defined (to katex is not defined sf).
6. The volume of this square based pyramid is katex is not defined Find the side length of the pyramid. Give your answer correct to katex is not defined significant figures.
We can substitute the values we are given into the volume of a pyramid formula and rearrange it to find the base area.
The perpendicular height is given in katex is not defined so needs converting to katex is not defined
katex is not defined
The area of the base needs to be square rooted to find the side length.
katex is not defined
So the perpendicular height is katex is not defined (to katex is not defined sf).
1. The diagram shows a square based pyramid.
Calculate the volume of the square based pyramid.
Give your answer correct to katex is not defined significant figures
Give the correct units for your answer.
(4 marks)
Area of the base is katex is not defined.
(1)
katex is not defined(1)
katex is not defined(1)
katex is not defined(1)
2. The diagram shows a square based pyramid.
Calculate the volume of the square based pyramid.
Give your answer correct to katex is not defined significant figures
(4 marks)
Area of the base is katex is not defined.
(1)
katex is not defined(1)
katex is not defined(1)
katex is not defined(1)
3. The diagram shows a square based pyramid.
It is based on one of the pyramids of Giza.
It has a volume of katex is not defined million katex is not defined
It has a height of katex is not defined
Find the side length, katex is not defined of its square base.
Give your answer to katex is not defined significant figures
(4 marks)
katex is not defined million katex is not defined
(1)
katex is not defined(1)
katex is not defined(1)
katex is not defined(1)
4. The diagram shows a truncated square pyramid.
Find the volume of the truncated square based pyramid.
Give your answer as an exact value.
(5 marks)
For using similar triangles to find the missing height.
(1)
For the height of large pyramid or the height of small pyramid, katex is not defined and katex is not defined
(1)
For the volume of large pyramid or the volume of small pyramid, katex is not defined or katex is not defined
(1)
katex is not defined(1)
katex is not defined(1)
You have now learned how to:
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