A baker makes a circular cake that has a radius of 7 inches. If the baker wants to cover the top of the cake with frosting, how much frosting should the baker use?

Question

asked Sep 9, 2022 151k views

1 Answer

Reshi · Answer 1 · 2022-09-16T07:44:15+0000

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Answer:

154 in²

Explanation:

The area of the cake top is given by the formula for the area of a circle.

A = πr²

Here, it is convenient to use the approximation π ≈ 22/7, so we have ...

A = (22/7)(7 in)² = 154 in²

The baker should use 154 square inches of frosting for the top of the cake.