What is the sum of the interior angles of a triangle?
- 90 degrees
- 180 degrees
- 270 degrees
- 360 degrees
Explanation
The angle sum of a triangle will always be equal to 180°.
The angle sum of a quadrilateral is equal to 360°
And a triangle can be created by slicing a quadrilateral in half from corner to corner. Since a triangle is essentially half of a quadrilateral
Its angle measures should be half as well. Half of 360° is 180°
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