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defon
2 years ago
10

How do you work out interior angles?

Mathematics
2 answers:
ivolga24 [154]2 years ago
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]2 years ago
4 0
If 2 lines are congruent alternate interior angles are congruent
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