Interior and Exterior Angles of Triangles

Front

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

Back

180°

Front

Find the measure of the missing angles in a triangle with angles 50° and 70°. What is the measure of the third angle?

Back

60°

Front

What is the measure of angle b if angle a is 90° and angle c is 54°?

Back

36°

Front

Which of the following terms best describes Angle d if it is formed outside the triangle? Remote interior angle, Corresponding angle, Exterior angle, Interior angle

Back

Exterior angle

Front

Solve for x in the equation: 2x + 36 = 180.

Back

x = 72

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

It is a right triangle.

Front

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

Back

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

Front

If angle A = 45° and angle B = 45°, what is angle C in triangle ABC?

Back

Angle C = 90°.