MCQ Questions for CBSE Class 10 Math Combination Of Solids Frustum Of Cone With Answers

What do you know about the lateral surface area?

 ¹⁄₃π(R² + Rr + r²)h = 28490

Recall the formula of volume of frustum.

capacity of the bucket (volume of the frustum)
= ¹⁄₃πh (R² + Rr + r²)

 LSA = πl(R – r)

Think of the shape of the bucket.

What is the formula to find volume of frustum?

First of all, find out the slant height. 

Use the formula of the lateral surface area of the frustum.

Think of the curved surface area of cone and frustum of a cone.