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12 March, 23:57

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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Answers (2)
  1. 13 March, 01:00
    0
    A≈309.02cm² Step by step
  2. 13 March, 03:00
    0
    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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