Question

Use the formula Circumference = 2 X A X radius, where it is approximately 3.14, to answer the question.

5.0 inches
What is the approximate circumference of the circle?
O A 7.9 inches
OB. 15.7 inches
OC 31.4 inches
OD. 62.8 inches
HELPPP IM TIMED

Answer 1

B. 15.7

Explanation:

Circumference= 2×π×r

2×3.14×2.5 (half of 5 is 2.5)

=15.7

Answer 2

A

Explanation:

You divide the diameter by 2 to get radius. So 5÷2=2.5

So then you multiply 2.5 by pi aka 3.14 so 2.5x3.14=7.85 So we rounds 7.85 to 7.9