maliakearns7 maliakearns7

01-04-2020
Mathematics

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A regular octagon has an area of 180 meters squared and a side length of 9 meters find the apothem

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jimrgrant1 jimrgrant1

01-04-2020

Answer:

apothem = 2.5 m

Step-by-step explanation:

The area (A) of a regular polygon is

A = pa ( p is the perimeter and a the apothem )

Here A = 180 and p = 8 × 9 = 72, thus

72a = 180 ( divide both sides by 72 )

a = 2.5

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