Algebra with parallel lines

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet. They are always the same distance apart and have the same slope.

Tags

CCSS.HSG.CO.A.1

Front

What is a transversal?

Back

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

Front

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

Back

Corresponding angles are equal.

Tags

CCSS.8.G.A.5

Front

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

Back

Alternate interior angles are equal.

Tags

CCSS.8.G.A.5

Front

If two parallel lines are cut by a transversal, what can be said about the same-side interior angles?

Back

Same-side interior angles are supplementary (add up to 180 degrees).

Tags

CCSS.8.G.A.5

Front

Solve for x: If angle A = 3x + 10 and angle B = 2x + 40, and A and B are corresponding angles, what is x?

Back

x = 10.

Tags

CCSS.8.G.A.5

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

If two lines are parallel, what can be said about their slopes?

Back

The slopes of parallel lines are equal.

Tags

CCSS.8.EE.B.6

Front

If angle 1 = 70 degrees and angle 2 is a corresponding angle, what is angle 2?

Back

Angle 2 = 70 degrees.

Tags

CCSS.8.G.A.5

Front

If angle 3 and angle 4 are alternate interior angles and angle 3 = 50 degrees, what is angle 4?

Back

Angle 4 = 50 degrees.

Tags

CCSS.8.G.A.5