Classifying Two-Dimensional Shapes I

Front

What are parallel lines?

Back

Lines that never intersect.

Front

What is a line segment?

Back

Part of a line with 2 endpoints.

Front

What is the measurement of the angle?

Back

87 degrees.

Front

A figure has four congruent sides, two sets of parallel sides, and two acute angles. What type of figure is it?

Back

Rhombus.

Front

Are these lines parallel?

Back

Yes.

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is a triangle?

Back

A polygon with three sides.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a rectangle?

Back

A quadrilateral with opposite sides equal and all angles 90 degrees.