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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?

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 class=

Sagot :

sqdancefan

9514 1404 393

Answer:

  154 in²

Step-by-step 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.

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