Geometry Final Review

Front

Definition of vertical angles

Back

Vertical angles are the angles opposite each other when two lines cross. They are always equal.

Front

What is the Angle Addition Postulate?

Back

The Angle Addition Postulate states that if point B is in the interior of angle AOC, then the measure of angle AOB plus the measure of angle BOC equals the measure of angle AOC.

Front

Definition of supplementary angles

Back

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

Front

Definition of complementary angles

Back

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

Front

Definition of a right angle

Back

A right angle is an angle that measures exactly 90 degrees.

Front

Find the value of X if 2X + 4 = 20.

Back

X = 8.

Front

Find the measure of the exterior angle if the interior angle is 103 degrees.

Back

The exterior angle is 77 degrees.

Front

If m<PQR = 141, find the measure of <PQS if they are supplementary.

Back

The measure of <PQS is 39 degrees.

Front

Find the midpoint of the points (7,-5) and (9,-1).

Back

The midpoint is (8, -3).

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.