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28 February, 05:35

Find the area of the following circle. (Round answer to the nearest whole number.) Circumference = 280 cm. (Hint: Find r from C = 2πr (round r to tenths); then find area). 1) 89 2) 560 3) 1,989 4) 6,246

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  1. 28 February, 05:49
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    Find r:

    C=2πr

    280=2 (3.14) r

    r=280/2 (3.14)

    r=44.6cm

    find area:

    A=πr²

    A=3.14 (44.6) ²

    A=6246 cm²

    Answer : 4) 6,246
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