Parallelograms and Angles in Polygons

Classify the quadrilateral in as many ways as possible.

• quadrilateral, parallelogram

• rectangle

• quadrilateral,parallelogram, rectangle

• quadrilateral,parallelogram, rectangle, square

What's the difference between a rectangle and a parallelogram? 

• rectangle has right angles. 

• parallelogram has right angles. 

• They are both identical. 

All rectangles are parallelograms. 

• True

• False

What do a rhombus and a rectangle have in common?

• they are both parallelograms

• they always have four right angles

• they are not polygons

• they have five sides

This is a parallelogram. What is the value of y?

• 7

• 12

• 112

• 68

All quadrilaterals have:

• one angle

• two angles

• 3 sides

• 4 angles

Which of the following is true for all parallelograms?

• All angles are right angles

• Opposite sides are equal and parallel

• All sides are equal

• Diagonals are equal

A _____ is a quadrilateral with two pairs of parallel sides.

• parallelogram

• trapezoid

• triangle

• diamond

Joe sorted shapes into two groups as shown in the picture. Which rule did he use to place shapes into Group 1?

• polygons with at least 1 right angle

• polygons with 5 sides

• polygons with equal sides

• polygons with at least 1 pair of parallel sides

Which of these is not a parallelogram?

• rectangle

• rhombus

• trapezoid

• square