Math, asked by mahipipaliyaofficial, 1 year ago

find the area of regular octagon with each side as 9 cm

Answers

Answered by adfg
1
the answer is:-
octagon = 8 sides
9*8
=72 cm

hope it helps.....


adfg: please mark as brainlist
mahipipaliyaofficial: not perimeter
Answered by Anonymous
4
Given- Side of the octagon, 9 cm.
To Find- The Area of the octagon.

Formula-
              A= 2(1+ √2) a²  (A= Area, a=side)

A=2(1+√2) 9²
A=2(1+√2) 81
A=(2+2√2)*81
A= 391.1 cm²

Your Answer= 391.1 cm²
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