PLEASE HELP! I keep getting 78.5

What is the area of a circle with a diameter of 10 inches (in.)? (Area of a circle = πr2)

A. 5π in.2

B. 10π in.2

C. 25π in.2

D. 100π in.2

Question

PLEASE HELP! I keep getting 78.5

What is the area of a circle with a diameter of 10 inches (in.)? (Area of a circle = πr2)

A. 5π in.2

B. 10π in.2

C. 25π in.2

D. 100π in.2

science0229 · Answer

I think that the problem is supposed to ask the circumference, not the area...

anonymous · Answer

the radius would be 5 since the diameter is 10 so plug 5 into the equation to get it

science0229 · Answer

Area is supposed to be about 78.5...

anonymous · Answer

it wants it in terms of pi so the answer would be c