3 years ago

How do you work out interior angles?

2 answers:

8 0

N = number of sides in the shape.

The formula I know it from is; n - 2 x 180

For example; 7 - 2 [5] x 180 = 900

So, a heptagon's interior angles should add up to 900.

<em>Hope this helped! :)</em>

Anvisha [2.4K]3 years ago

4 0

If 2 lines are congruent alternate interior angles are congruent

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