Linear Pairs and Vertical Angles Find X

Front

What is a linear pair of angles?

Back

A linear pair of angles consists of two adjacent angles that are formed when two lines intersect. The sum of the angles in a linear pair is always 180°.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal in measure.

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary, what is the sum of their measures?

Back

The sum of the measures of supplementary angles is 180°.

Tags

CCSS.7.G.B.5

Front

If m∠A + m∠B = 180°, what can we say about angles A and B?

Back

Angles A and B are supplementary.

Tags

CCSS.7.G.B.5

Front

What is the measure of a right angle?

Back

A right angle measures 90°.

Tags

CCSS.4.G.A.1

Front

If m∠1 = 30°, what is m∠2 if ∠1 and ∠2 are a linear pair?

Back

m∠2 = 150° because linear pairs sum to 180°.

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal; if m∠1 = 40°, then m∠3 = 40°.

Tags

CCSS.7.G.B.5

Front

If m∠3 = 60°, what is m∠4 if ∠3 and ∠4 are vertical angles?

Back

m∠4 = 60° because vertical angles are equal.

Tags

CCSS.7.G.B.5

Front

What type of angle is formed when two lines intersect at right angles?

Back

A right angle is formed when two lines intersect at right angles.

Tags

CCSS.4.G.A.1

Front

If m∠5 = 118°, what is m∠6 if ∠5 and ∠6 are a linear pair?

Back

m∠6 = 62° because linear pairs sum to 180°.

Tags

CCSS.7.G.B.5