Question

Find each of the interior angle of a regular decagon.

Answer 1

Step-by-step explanation:

Properties of regular decagons

Interior angle 144°

Exterior Angle 36°

Area 7.694s2 approx

Answer 2

Answer:

Each exterior angle = 144

Step-by-step explanation:

(n - 2) × 180°

Decagon = 10 sides

n = 10

(10 - 2) × 180°

8 × 180° = 1440°

Each interior angle = 1440/10

                                = 144°

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