UNIT 4 Test Geometry 11.07.24

Front

What does the Triangle Sum Theorem state?

Back

The sum of all angles in a triangle is 180°.

Front

If one angle of a triangle is 45°, what is the sum of the other two angles?

Back

135°.

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180°.

Front

What is the measure of the third angle if two angles in a triangle are 50° and 60°?

Back

The third angle measures 70°.

Front

What is the relationship between the angles in a right triangle?

Back

One angle is 90°, and the sum of the other two angles is 90°.

Front

If angle A is 30° and angle B is 60°, what is angle C in triangle ABC?

Back

Angle C is 90°.

Front

What is the formula for finding the sum of angles in any polygon?

Back

(n-2) × 180°, where n is the number of sides.

Front

In a triangle, if one angle is twice the size of another, and the third angle is 30°, what are the measures of the other two angles?

Back

The angles are 30° and 60°.

Front

What is the definition of complementary angles?

Back

Two angles that add up to 90°.

Front

What is the definition of supplementary angles?

Back

Two angles that add up to 180°.