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svetlana [45]
4 years ago
9

Please help me ..... (:

Mathematics
2 answers:
Anna71 [15]4 years ago
6 0

Answer:

the total area of the octagon is 8(20.3 in²), or 162.4 in²

Step-by-step explanation:

A regular octagon has 8 pie-shaped sections.  Each is triangle of height 7 in and base 5.8 in.

Thus, the area of each such section is, by A = (1/2)(b)(h(),

A = (1/2)(5.8 in)(7 in) = 20.3 in².

There are 8 such sections.  

Thus, the total area of the octagon is 8(20.3 in²), or 162.4 in²

son4ous [18]4 years ago
3 0

Answer:

162.43

Step-by-step explanation: I hope its helps it's been a couple of years since I have done geometry

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