Front

What is a right angle?

Back

A right angle is 90 degrees and forms a square corner.

Front

What shape has 4 right angles, 2 pairs of parallel sides, and 4 equal length sides?

Back

A square.

Front

What is a line?

Back

A line is a straight path that continues forever in both directions.

Front

Can some quadrilaterals have neither parallel nor perpendicular sides?

Back

Yes, some quadrilaterals do not have parallel or perpendicular sides.

Front

What shape has 4 right angles, 2 pairs of parallel sides, and 2 pairs of opposite equal-length sides?

Back

A rectangle.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is a part of a line that has one endpoint and extends forever in one direction.

Front

What are parallel lines?

Back

Parallel lines are lines that never meet and are always the same distance apart.

Front

What are perpendicular lines?

Back

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