AerithN270956 AerithN270956

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Mathematics

Answered

Calculate the radius of a circle of its area is 4cm2

Calculate the radius of a circle of its area is 4cm2 class=

Answer :

ShelseyM438718 ShelseyM438718

Today at 7:19 PM

To find the radius of a circle given the area, use the next formulas:

Ac= 4π cm²

Ac = π*r²

Circumference = π * diameter

Solve the equation for x:

4π cm² = π*r²

4 = π*r² / π

4 = r²

√4 = r

2 = r

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