asked 86.1k views
1 vote
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

asked
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.
answered
User Salwa
by
9.1k points

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