Guide :High School

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

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 use 3.14 for pi, then you can write the equation:C=2*3.14*r9.42=2*3.14*rDivide both sides by 3.14 and you'll get3=2r and divide by 2 sor=1.5then you can substitute 1.5 into circle area formulaA=3.14*1.5^2A=3.14*2.25A=7.065 square inches ...

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