Question

HELP I NEED HELP WITH CIRCUMFERENCE!! What is the radius of a circle with circumference of 50 cm? Round your answer to the nearest whole number. Use π = 3.14.

A. 4 cm
B. 3 cm
C. 8 cm
D. 7 cm

Answer 1

8cm

Explanation:

circumference formula
`2\pi \: r`

50 = 2(3.14)(r)

50 = 6.28r

7.9 = r

8 = r