3 years ago

What is the radius of a circle that has a circumference of 81 π square inches?

Mathematics

2 answers:

dolphi86 [110]3 years ago

8 0

2 the reason why is because I need 5 points. Hope that helps!

ira [324]3 years ago

6 0

Answer:

r≈12.89

Step-by-step explanation:

Using the formula

C=2πr

Solving for r

r=C

2π=81

2·π≈12.89155

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