01-08-2022
Mathematics

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Finding the area of a regular polygon

Finding the area of a regular polygon class=

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praisemickey06 praisemickey06

01-08-2022

Solution:

360° ÷ 10 ÷ 2 = 18°

So the length of the decagon side is:

10 × tan18° × 2 = 20 × tan18°

The area is: ½ × 20 × tan18° × 10 × 10 = 1000 × tan18°

≈ 324.9

.: 324.9 is the final answer.

I hope this helps.

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