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Interior Angles

What are Interior Angles?

Interior Angle are the angles in a shape. There are many properties when you add up the Interior Angles in a shape.

Adding Up Interior Angles

When you add up the angles in a triangle, you get 180°.

When you add up the angles in a square or rectangle, you get 360°.

Of course, you can add up the Interior Angles in other polygons and get different sums.