diamondannrobin diamondannrobin

17-12-2019
Mathematics

contestada

Find the radius of the circle with an area of 153.9 in? Use 3.14 for T.
A. 3.5 in.
B. 7 in.
D. 14 in.
C. 7.9 in.

Respuesta :

PollyP52 PollyP52

17-12-2019

Answer:

B. 7 in.

Step-by-step explanation:

Area = A =pi r^2

r^2 = A / pi

r = √(A / 3.14)

= √(153.9 / 3.14)

= 7 in.

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