mickeymouse553 mickeymouse553

30-03-2016
Mathematics

Answered

CANT GET WRONG

The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.

A14 in
B18 in
C20 in
D28 in

Verified Answer :

meerkat18 meerkat18

30-03-2016

Given:
Area of a circle = 615.44 in²

Area of a circle = π r²
615.44 in² = 3.14 r²
615.44 in² ÷ 3.14 = r²
196 in² = r²
√196 in² = √r²
14 in = r

diameter = 2r
diameter = 2 14in
diameter = 28 inches. CHOICE D.

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