Geometry Unit 4 Review -FHS

Front

What is the sum of the measures of the angles in a triangle?

Back

180° in Euclidean geometry.

Front

What is the range of the sum of the measures of the angles in a spherical triangle?

Back

Between 180° and 540°.

Front

If angle JKM measures 38°, what is the measure of angle KJM if the angles in triangle JKM must sum to 180°?

Back

The measure of angle KJM is 142°.

Front

What is the formula to find the length of a side in a right triangle using the Pythagorean theorem?

Back

Front

If one angle of a triangle is 72° and another is 36°, what is the measure of the third angle?

Back

The third angle measures 72°.

Front

What is the definition of complementary angles?

Back

Two angles that sum to 90°.

Front

What is the definition of supplementary angles?

Back

Two angles that sum to 180°.

Front

In a right triangle, what is the relationship between the angles?

Back

One angle is 90°, and the other two angles are complementary.

Front

What is the measure of each angle in an equilateral triangle?

Back

Each angle measures 60°.

Front

What is the formula for the area of a triangle?

Back