Class 10 Exam > Class 10 Videos > Mathematics (Maths) Class 10 > Quick Revision: Surface Areas and Volumes
Quick Revision: Surface Areas and Volumes Video Lecture | Mathematics (Maths) Class 10
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FAQs on Quick Revision: Surface Areas and Volumes Video Lecture - Mathematics (Maths) Class 10
| 1. What is the formula for the surface area of a cylinder? |  |
Ans.The surface area \( A \) of a cylinder can be calculated using the formula:
\( A = 2\pi r(h + r) \)
where \( r \) is the radius of the base and \( h \) is the height of the cylinder.
| 2. How do you find the volume of a cone? | |
Ans.The volume \( V \) of a cone is given by the formula:
\( V = \frac{1}{3}\pi r^2 h \)
where \( r \) is the radius of the base and \( h \) is the height of the cone.
| 3. What is the relationship between surface area and volume for spheres? | |
Ans.For spheres, the formulas are:
Surface Area \( A = 4\pi r^2 \)
Volume \( V = \frac{4}{3}\pi r^3 \)
As the radius \( r \) increases, both surface area and volume increase, but volume increases at a faster rate.
| 4. How do you calculate the surface area of a cube? | |
Ans.The surface area \( A \) of a cube can be calculated using the formula:
\( A = 6a^2 \)
where \( a \) is the length of one edge of the cube.
| 5. What are the different types of solids studied in surface areas and volumes? | |
Ans.The different types of solids include:
1. Cube
2. Cuboid
3. Cylinder
4. Cone
5. Sphere
Each solid has its own specific formulas for calculating surface area and volume.
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Nov 22, 2024 Last updated |
Video Description: Quick Revision: Surface Areas and Volumes for Class 10 2024 is part of Mathematics (Maths) Class 10 preparation.
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