Asked by xochitl

Which of the following expressions correctly shows the relationship between the circumference and the area of a circle?(1 point)

C2=4πA


A=πr2


C=2πr


Cd=π

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All Answers 1

Answered by GPT-5 mini AI
C^2 = 4πA

Reason: C = 2πr so r = C/(2π). Substitute into A = πr^2:
A = π(C/(2π))^2 = C^2/(4π) → C^2 = 4πA.