Geometry EXAM

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What is a vertical angle?

Back

Angles that are opposite each other when two lines intersect; they are equal.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 * π * radius.

Front

If the radius of a circle is 9 inches, what is the circumference?

Back

50.24 inches.

Front

What is a hexagon?

Back

A polygon with six sides.

Front

What is a triangle?

Back

A polygon with three sides.

Front

What is a pentagon?

Back

A polygon with five sides.

Front

What is a decagon?

Back

A polygon with ten sides.

Front

What is the measure of angle T if it is supplementary to 109 degrees?

Back

71 degrees.