Fifth Grade Geometry Challenge

Front

Which of the following pairs of lines intersect at a right angle?

Back

Perpendicular lines

Front

Which of the following angles is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

What is the definition of perpendicular?

Back

Lines that cross and make 90 degree angles

Front

Identify the angle that is exactly 90 degrees.

Back

Right angle

Front

Which of the following lines are always the same distance apart and never meet?

Back

Parallel lines

Front

What is the definition of parallel lines?

Back

Lines that are always the same distance apart and never meet.

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is a straight angle?

Back

An angle that is exactly 180 degrees.

Front

What do we call an angle that is more than 180 degrees but less than 360 degrees?

Back

Reflex angle

Front

What is the sum of angles in a triangle?

Back

180 degrees.