Triangle Sum Theorem

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

Which of the following terms best describes Angle d?

Back

Exterior angle

Front

What is the value of the missing angle if two angles are 75° and 60°?

Back

105°

Front

Find the measure of the indicated angle if one angle is 118° and the other is 56°. What is the third angle?

Back

62°

Front

Solve for x in the equation: 2x + 4 = 16.

Back

6

Front

What is the definition of an interior angle in a triangle?

Back

An interior angle is formed by two sides of a triangle and is located inside the triangle.

Front

What is the definition of an exterior angle in a triangle?

Back

An exterior angle is formed by one side of a triangle and the extension of an adjacent side.

Front

If one angle of a triangle is 90°, what type of triangle is it?

Back

Right triangle

Front

What is the relationship between the exterior angle and the remote interior angles?

Back

The exterior angle is equal to the sum of the two remote interior angles.

Front

If the angles of a triangle are 45°, 45°, and x°, what is the value of x?

Back

90°