What is the area of a circle with circumference of 9.42 inches?

(Use 3.14 for p.)

Formula for circumference = 2πr but since the problem says to u se 3.14 for pi, then you can write the equation:

C=2*3.14*r

9.42=2*3.14*r

Divide both sides by 3.14 and you'll get

3=2r and divide by 2 so

r=1.5

then you can substitute 1.5 into circle area formula

A=3.14*1.5^2

A=3.14*2.25

A=7.065 square inches