The area of a circle (A=pi•r^2) is A=pi(3m^2+30m+75). What is the radius of the circle?

Answer 1

By comparing both equations, we can say that

r^2=3m^2+30m+75

r^2=3(m^2+10m+25)

r^2=3(m+5)^2

Take the square root from both sides.

r=sqrt3(m+5) Tadaaaa...!

I hope it helps.

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