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CANT GET WRONG The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π. A) 14 in B) 18 in C) 20 in D) 28 in
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CANT GET WRONG

The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.
A) 14 in
B) 18 in
C) 20 in
D) 28 in

User Shanaka
by
8.2k points

1 Answer

7 votes
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.
User Salwa
by
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