Find the area of a regular octagon with side length 8 cm. Round your answer to the nearest square centimeter. A. 53 cm B.

Question

Find the area of a regular octagon with side length 8 cm. Round your answer to the nearest square centimeter.

A. 53 cm
B. 106 cm
C. 155 cm
D. 309 cm

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Faith 2 months 2021-10-20T20:32:11+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-20T20:33:43+00:00

    Answer:

    A≈309.02cm² Step by step

    0
    2021-10-20T20:33:49+00:00

    Here is your solution

    A=2(1+2)a2=2·(1+2)·82≈309.01934cm²

    So the answer to this problem is D

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45:7+7-4:2-5:5*4+35:2 =? ( )