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13 December, 10:13

A DVD has a diameter of 26 centimeters. What is the area of the DVD? Round your answer to the nearest hundredth. Use 3.14 for π.

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  1. 13 December, 13:13
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    A = 530.66 cm^2

    Step-by-step explanation:

    A DVD is a circle so we can use the formula for area of a circle

    A = pi r^2

    We can find the radius from

    r = d/2 where d is the diameter

    r = 26/2

    r = 13

    A = pi * 13^2

    A = pi * 169

    Substituting in for pi

    A = (3.14) * 169

    A = 530.66
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