bell ringer March 1

How many sides does a quadrilateral have?

• 5
• 3
• 2
• 4

 What is the name of this polygon?

• a pentagon
• a quadrilateral
• an octagon
• a triangle

Which of the following is not a polygon?

• trapezoid
• semicircle
• rhombus
• octagon

Angles that have a measure less than 90 degrees are called _____ ______.

• acute angles
• obtuse angles
• right angles
• straight angles

______ squares are rectangles.

• All
• Some
• No

______ parallelograms are quadrilaterals.

• All
• Some
• No

______ quadrilaterals are trapezoids.

• All
• Some
• No

Which shape doesn't belong with the others?

• square
• rectangle
• trapezoid
• rhombus

Which quadrilateral has only one pair of parallel sides?

• a triangle
• a square
• a trapezoid
• a parallelogram

 What is the name of this polygon?

• a pentagon
• a quadrilateral
• an octagon
• a triangle