Explore Lengths and Angle Relationships

Front

What is the definition of an angle bisector?

Back

An angle bisector is a line or ray that divides an angle into two equal parts.

Front

If m∠A = 50° and m∠B = 50°, what can be said about ∠A and ∠B?

Back

∠A and ∠B are congruent angles.

Front

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

Back

The sum of the interior angles of a triangle is 180°.

Front

What is the relationship between complementary angles?

Back

Complementary angles are two angles whose measures add up to 90°.

Front

What is the relationship between supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180°.

Front

If two angles are vertical angles, what can be said about their measures?

Back

Vertical angles are congruent, meaning they have equal measures.

Front

What is the formula for finding the length of a side in a right triangle using the Pythagorean theorem?

Back

Front

If FG = 2 units, FI = 7 units, and HI = 1 unit, what is GH?

Back

GH = 4 units.

Front

What is the definition of a linear pair of angles?

Back

A linear pair of angles are two adjacent angles that form a straight line, and their measures add up to 180°.

Front

What is the definition of corresponding angles?

Back

Corresponding angles are angles that are in the same position on two parallel lines cut by a transversal.