Angles & Lines

Front

________ lines that intersect at a right (90 degrees) angle.

Back

Perpendicular

Front

What are these dots called?

Back

Points

Front

Tell whether the angle on the circle shows a 1/4, 1/2, 3/4, or 1 full turn.

Back

3/4

Front

What does this image show?

Back

Point

Front

What type of angle is this?

Back

Acute

Front

Lines that never meet are called __________.

Back

Parallel

Front

An angle that is less than 90 degrees is called __________.

Back

Acute

Front

An angle that is exactly 90 degrees is called __________.

Back

Right

Front

An angle that is greater than 90 degrees but less than 180 degrees is called __________.

Back

Obtuse

Front

A straight line measures __________ degrees.

Back

180