Geometry - Review of chapter 1

Front

What are two angles that add up to 180 degrees called?

Back

Supplementary angles.

Front

If angle 1 measures 40 degrees, what is the measure of angle 2 if they are supplementary?

Back

140 degrees.

Front

Write an equation to relate the lengths: 4 + 3x + 2 = 7x - 2. What is the first step to solve for x?

Back

Combine like terms.

Front

Back

Each angle is 65 degrees.

Front

What is the definition of a midpoint in geometry?

Back

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

Front

If B is the midpoint of AC and AC is 16 units long, what is the length of AB?

Back

8 units.

Front

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

Back

180 degrees.

Front

What do you call angles that add up to 90 degrees?

Back

Complementary angles.

Front

If two angles are complementary and one angle measures 30 degrees, what is the measure of the other angle?

Back

60 degrees.

Front

What is the formula for the area of a triangle?

Back