In circle P, ST = 30 ft. What is the circumference of the circle? 30π ft 15π ft 10π ft 45π ft

Question

asked Jan 13, 2022 158k views

1 Answer

Samuel Poirier · Answer 1 · 2022-01-17T22:19:21+0000

Answer:

30×pi ft

Explanation:

ST is the diameter.

the formula for the circumference of a circle is

C = 2×pi×r

r = radius = diameter / 2

so,

C = 2×pi×30/2 = pi×30

therefore, the first answer option is correct.