7th Grade Math Vocabulary Review

Front

Formula for finding the area of a circle

Back

pi x radius squared

Front

A line segment with one endpoint at the center of a circle and the other on the circle

Back

radius

Front

Two angles that add to 180 degrees

Back

supplementary

Front

Set apart, be alone

Back

isolate

Front

An event that has a 100% chance of happening

Back

certain

Front

The distance around a circle

Back

circumference

Front

A line segment that passes through the center of a circle and has endpoints on the circle

Back

diameter

Front

Two angles that add to 90 degrees

Back

complementary

Front

A number that does not change

Back

constant

Front

A symbol used to represent a number in an equation

Back

variable