Question

Find the sum of interior angles of regular octagon.​

Answer 1

Answer:

The General Rule

Shape. Sides Sum of Interior Angles

Octagon 8 1080°

Nonagon 9 1260°

... ... ..

Any Polygon n (n−2) × 180°

Answer 2

Answer:

1080 ( for any polygon the formula is{ n - 2} ×180°

Octagon = 8 sides , therefore , (8-2) ×180° = 6×180° = 1080.....

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