4th Geometry

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

What do you call lines that never cross or meet and are always the same distance apart?

Back

Parallel lines

Front

What type of triangle has all three sides of equal length?

Back

Equilateral triangle

Front

What type of angle measures exactly 90 degrees?

Back

Right angle

Front

What do you call an angle that is less than 90 degrees?

Back

Acute angle

Front

What type of triangle has one angle that is greater than 90 degrees?

Back

Obtuse triangle

Front

What do you call two lines that intersect at a right angle?

Back

Perpendicular lines

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What do you call a triangle with one right angle?

Back

Right triangle

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.