GCSE Maths - Volumes of Cylinders and Prisms
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- Опубліковано 11 вер 2024
- This video covers how to calculate the volume of cylinders and prisms. It includes examples of each and a sample exam question.
This video is suitable for maths courses around the world.
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Amadeus & Tom
For those who don’t understand. The cylinder formula is 3.14 x radius x radius x height. 0:46 For the prism, 1/2 (0.5) x base x height x length. 1:12 (hope this helps fellow students ❤😊)
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Well to be more accurate it's Pi ×Radius×Radius(or Radius²)×height but I understand that there's no Pi symbol on the keyboard
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Such a great explanation covering all the main and important points of the topic about volumes of cylinders &prisms .
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Thank you so much for helping me
For question 2 I was wondering do we always have to work out a half of the cross sectional area of the triangular prism whenever you calculate the total of three volumes of a figure
When you have a figure made up of three identical triangular prisms, you can find the total volume by calculating the volume of just one triangular prism and then multiplying it by three.
To find the volume of one triangular prism, you use the formula:
For a triangular prism, the base area is half the product of the base length and the height of the triangle.
So, first, calculate the volume of one prism. Then, multiply that volume by three to get the total volume of all three prisms together.
If the prisms are not identical, you'll need to find the volume of each one separately and then add them together to get the total volume.
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cheers mate
Good explanation 😁
Why do you have to times by 1/2 on the prisms
that's how we find the area of a triangle
And also the triangle is half of a rectangle
is it because multiplying a triangular prism is always 1/2
Has he done vectors yet
think so
ilysm
3the power of 2 is 9 dwag
R u stupid