Geometry Basics

Front

What do quadrilaterals always have?

Back

4 sides.

Front

What are two lines that intersect and form right angles called?

Back

Perpendicular lines.

Front

How many acute angles are in an acute triangle?

Back

3 acute angles.

Front

Estimate the measurement of an angle that looks less than 90 degrees.

Back

40 degrees.

Front

What is the measurement of an angle that is more than 90 degrees but less than 180 degrees?

Back

130 degrees.

Front

What is a polygon with 4 sides called?

Back

Quadrilateral.

Front

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

Back

Parallel lines.

Front

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

Back

180 degrees.

Front

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

Back

Obtuse triangle.

Front

What is the term for an angle that measures exactly 90 degrees?

Back

Right angle.