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The following is the formula to find the area of a circle. Which shows the formula correctly solved for the radius (r) in terms of the area (A)? A = pi r^2

A. r = (square root symbol) a pi
B. r = a pi/2
C. r = (square root symbol) a/pi
D. r = a/2 pi


Sagot :

Answer:

C

Step-by-step explanation:

This has to be C because you need to divide pi from r squared bc they r multiplied. Then you get a/pi = r squared. You need to find the square root of a/pi. So r equals square root a/pi.