Circumference and Area of Circles A circle has an area of 1256 square inches. What is the diameter of the circle. Use 7 = 3.14

Question

Circumference and Area of Circles

A circle has an area of 1256 square inches. What is the diameter of the circle. Use 7 = 3.14

O 10 in

O 20 in

O 40 in

O 60 in

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Minh Khuê 1 year 2021-09-03T17:17:56+00:00 1 Answers 5 views 0

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  1. ThanhThu
    0
    2021-09-03T17:19:07+00:00
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    Step-by-step explanation:

    Area of a circle = #r^2

    1256 = 3.14 × r^2

    r^2 = 1256/3.14

    r^2 = 400

    Square root of r = 20

    Diameter = 2 × r = 2 × 20 = 40 inches

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