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Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.

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asked Dec 30, 2017 in Mathematics by Golu (37,045 points) ● 19 ● 178 ● 667

Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.

Top surface of a raised platform is in the shape of a regular octagon

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answered Dec 30, 2017 by anukriti (13,536 points) ● 5 ● 10 ● 47
selected Dec 30, 2017 by Golu
 
Best answer

Given: Octagon having eight equal sides, each 5 m. 

Construction: Divided the octagon in 3 figures, two trapeziums whose parallel and perpendicular sides are 11 m and 4 m respectively and third figure is rectangle having length and breadth 11 m and 5 m respectively.

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