Find The Measures Of The Interior Angles Of The Triangle. Sum of all angles in a triangle is. Find the side lengths.
This videos provides an example of how to determine the measure of a missing interior angle of a triangleSite. Just as the pieces in a jigsaw puzzle fit together perfectly the interior angles in a triangle must fit with each other. Therefore each of the two equal angles has a measure of 45 degrees.
We know that the sum of the angles of a triangle is 180.
Then classify the triangle by its angle measures. Just as the pieces in a jigsaw puzzle fit together perfectly the interior angles in a triangle must fit with each other. An Interior Angle of a triangle is the angle formed inside the triangle at the vertex formed by two adjacent sides. It states that the square of the hypotenuse the side opposite the right angle is equal to the sum of the squares of the other two sides.