GEOM Practice Flashcard 4.1

Front

What is the measure of angle S if m∠S = ___°?

Back

57

Front

Solve for x: x = ___

Back

-8

Front

What is the value of x if x = ___?

Back

21

Front

What is the measure of angle F if m∠F = ___°?

Back

84

Front

Solve for x: x = ___

Back

-7

Front

Define the term 'angle'.

Back

An angle is formed by two rays with a common endpoint, called the vertex.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Front

What is the definition of a complementary angle?

Back

Two angles are complementary if the sum of their measures is 90°.

Front

What is the definition of a supplementary angle?

Back

Two angles are supplementary if the sum of their measures is 180°.

Front

What is the formula for finding the measure of an exterior angle of a triangle?

Back

The measure of an exterior angle is equal to the sum of the measures of the two opposite interior angles.