naming angles and solving angles

Front

What is an adjacent angle?

Back

Adjacent angles are angles that share a common side.

Front

What is a vertical angle?

Back

A vertical angle is a pair of angles that are across from each other and are congruent.

Front

Solve for x: 2x + 5 = 61

Back

x = 28.

Front

Solve for x: 3x - 7 = 2

Back

x = 3.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Front

What is a complementary angle?

Back

Complementary angles are two angles that sum up to 90 degrees.

Front

What is a supplementary angle?

Back

Supplementary angles are two angles that sum up to 180 degrees.

Front

If one angle is 30 degrees, what is its complementary angle?

Back

The complementary angle is 60 degrees.

Front

If one angle is 110 degrees, what is its supplementary angle?

Back

The supplementary angle is 70 degrees.

Front

What are linear pairs of angles?

Back

Linear pairs of angles are two adjacent angles that form a straight line and sum up to 180 degrees.