What is the interior angle of a regular octagon of side length 2 cm?

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NDA (Held On: 18 Apr 2021) Maths Previous Year paper
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Answer (Detailed Solution Below)

Option 2 :
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NDA 01/2025: English Subject Test
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Detailed Solution

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Concept:

The interior angle of a regular polygon is given by:  

Where, n = number of sides

Interior Angle = 180°- Exterior Angle

Calculation:

Regular Octagon has 8 sides

so, n = 8

Interior Angle

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