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3 years ago

Can someone please help me?

Mathematics

2 answers:

igor_vitrenko [27]3 years ago

7 0

Answer:

$A=28.26\\A=9\pi$

Step-by-step 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....

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

kaheart [24]3 years ago

6 0

Formula:

A=Pi r²

Answer:

A=28.27

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