## Questions and Answers

What is the formula to find the surface area of a cone?

SA = πr² + πr√(r² + h²)

A sphere has a radius of 4 cm. What is the volume of the sphere?

V = (4/3)π(4)³ = 268.08 cm³

What is the formula to find the lateral surface area of a pyramid?

LSA = ½pl

A cylinder has a radius of 3 cm and a height of 6 cm. What is the surface area of the cylinder?

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What is the formula to find the volume of a pyramid?

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## Study Notes

### Surface Area and Volume of Various Shapes

- The formula to find the surface area of a cone is not provided in the given text, but it is typically represented as SA = πr(r + l), where r is the radius and l is the slant height.
- The volume of a sphere with a radius of 4 cm can be found using the formula V = (4/3)πr³, resulting in a volume of approximately 268.08 cm³.
- The formula to find the lateral surface area of a pyramid is not provided in the given text, but it is typically represented as LSA = 1/2pl, where p is the perimeter of the base and l is the slant height.
- The surface area of a cylinder with a radius of 3 cm and a height of 6 cm can be found using the formula SA = 2πr(h + r), resulting in a surface area of approximately 150.72 cm².
- The formula to find the volume of a pyramid is not provided in the given text, but it is typically represented as V = (1/3)Bh, where B is the area of the base and h is the height.

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