Polygons & quadrilaterals

What are these lines called?

• Perpendicular lines

• Line segments

• Parallel lines

• Rays

Perpendicular lines make a ____ angle.

• Right

• Acute

• Straight

• Obtuse

Name this angle.

• Acute

• Reflex

• Right

• Obtuse

This is an obtuse angle

• True

• False

Select the best option to describe polygons.

• Closed shape with straight and curved sides

• Open shape with straight sides only

• All 3-D shapes are polygons

• Closed shapes with straight sides, angles, and vertices.

All the sides in an irregular shape are the same length

• True

• False

What is this shape called?

• Rhombus

• Hexagon

• Trapezium

• Pentagon

A quadrilateral is a polygon

• True

• False

Look at these 2 shapes, what do they have in common? Choose the best option.

• Two pairs of parallel sides only

• Two pairs of parallel sides and all angles are equal

• All sides and all angles are equal

• Two pairs of parallel sides of the same length

Which one of these shapes is NOT a quadrilateral?

• A

• B

• C

• D