Circumference & Area of Circles Quick Check

Question

3 of 53 of 5 Items

Question
Which formula correctly describes the proportional relationship between the circumference of a circle and the diameter?(1 point)
Responses

A=πr2
upper A equals pi r squared

C=πd
upper C equals Start Fraction pi over d End Fraction

π=dC
pi equals Start Fraction d over upper C

Cd=π

Answer 1

Correct answer: Cd=π