Geometry Unit 1 Test Review

Front

What is an angle bisector?

Back

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

Front

What is the definition of a midpoint?

Back

A midpoint is a point that divides a line segment into two equal parts.

Front

If AB = 4x + 10 and AC = 5x - 10, what equation can be used to find x if A is the midpoint of BC?

Back

4x + 10 = 5x - 10.

Front

What does it mean for two angles to be supplementary?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

If ∠A and ∠B are supplementary and ∠B = (3x + 18)°, what is the equation for ∠A?

Back

∠A = 180° - (3x + 18)°.

Front

What is the formula for finding the measure of an angle when given its bisector?

Back

If TR is the angle bisector of ∠ATS, then m∠RTS = m∠ATS / 2.

Front

How do you solve for x in the equation m∠RTS = (17x - 5)° and m∠ATS = (28x + 8)°?

Back

Set (17x - 5)° = (28x + 8)° and solve for x.

Front

What is the relationship between the angles formed by a transversal intersecting two parallel lines?

Back

The corresponding angles are equal, and the alternate interior angles are equal.

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

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.