2 years ago

Work out the size of an exterior and an interior angle of a regular 20-sided polygon.

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

8 0

Answer

Exterior,18°

Interior,162°

Step-by-step explanation:

To calculate exterior,360°÷no of sides, i.e

360°÷20=18°

Interior is gotten by 180°-exterior angle

180°-18°=162°

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