17.4k views
5 votes
Can someone please help me?

Can someone please help me?-example-1

2 Answers

2 votes

Formula:

A=Pi r²

Answer:

A=28.27

User Fabiola
by
6.4k points
5 votes

Answer:


A=28.26\\A=9\pi

Explanation:

Use the formula:


A=\pi r^2

Insert values


A=3.14 *3^2

Simplify exponent


A=3.14 *9

Simplify multiplication


A=28.26

Orrrrr....


A=\pi *3^2\\A=\pi *9\\A=9\pi

User Eezis
by
6.7k points
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