Winter Final

Front

What are the slopes of parallel lines?

Back

Identical.

Front

How can you determine if two triangles are congruent?

Back

By comparing their corresponding sides and angles.

Front

If m∠1 = 30°, what is m∠3 if they are corresponding angles?

Back

30°.

Front

What is the measure of an angle that is complementary to 45°?

Back

45°.

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape.

Front

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

Back

180°.

Front

If two angles are supplementary, what is their relationship?

Back

Their measures add up to 180°.

Front

What is the definition of parallel lines?

Back

Lines in a plane that never meet and are always the same distance apart.

Front

What is the relationship between the angles in a right triangle?

Back

One angle is 90°, and the sum of the other two angles is 90°.

Front

What does it mean for two lines to be perpendicular?

Back

They intersect at a right angle (90°).