G Vocab flashcard 1

Front

Angles that add to 180°.

Back

supplementary

Front

Pi × r²

Back

area of a circle

Front

Part of a line with 2 endpoints

Back

line segment

Front

Adjacent and supplementary angles

Back

linear pair

Front

A figure with no thickness, extending forever in 2 directions.

Back

line

Front

Distance around a circle

Back

circumference

Front

a² + b² = c²

Back

Pythagorean theorem

Front

A ray that divides an angle into 2 congruent angles

Back

angle bisector

Front

Angles that sum to 90°

Back

complementary angles

Front

A flat surface with no thickness, extending forever in all directions.

Back

plane