Question

Derivation of formula for area of cross section

Answer 1

Explanation:

Some common ones are the area of a triangle, which is 1/2 × b × h, where b is the triangle's base and h is its height; the area of a rectangle, which is b × h, where b is the rectangle's base and h is its height; and the area of a circle, which is π_r_2, where r is the circle's radius.