Grade 8 Angles

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

What are Complementary Angles?

Back

Complementary angles are two angles that add up to 90°.

Tags

CCSS.7.G.B.5

Front

What are Supplementary Angles?

Back

Supplementary angles are two angles that add up to 180°.

Tags

CCSS.7.G.B.5

Front

What are Alternate Interior Angles?

Back

Alternate interior angles are pairs of angles that lie between two lines and on opposite sides of a transversal. They are equal when the lines are parallel.

Tags

CCSS.8.G.A.5

Front

What are Alternate Exterior Angles?

Back

Alternate exterior angles are pairs of angles that lie outside two lines and on opposite sides of a transversal. They are equal when the lines are parallel.

Tags

CCSS.8.G.A.5

Front

What are Corresponding Angles?

Back

Corresponding angles are pairs of angles that are in the same position on two parallel lines in relation to a transversal. They are equal when the lines are parallel.

Tags

CCSS.8.G.A.5

Front

What are Adjacent Angles?

Back

Adjacent angles are two angles that share a common side and a common vertex but do not overlap.

Tags

CCSS.7.G.B.5

Front

What is a Transversal?

Back

A transversal is a line that intersects two or more lines at different points.

Tags

CCSS.HSG.CO.A.1

Front

If two parallel lines are cut by a transversal, what can be said about the corresponding angles?

Back

The corresponding angles are equal.

Tags

CCSS.8.G.A.5

Front

If angle 1 is 40°, what is the measure of its vertical angle?

Back

The measure of the vertical angle is also 40°.

Tags

CCSS.7.G.B.5