Topic 15 Shapes

This shape is a...

• hexagon
• pentagon
• trapezoid
• octagon

Which of the figures below are NOT polygons?

• III only
• IV only
• I and II only
• III and IV only

Which figure appears to be a regular polygon?

• A
• B
• C
• D

Which polygon is an octagon?

• A
• B
• C
• D

Mr. Wang asked Barb to draw a hexagon on the board. If Barb drew the hexagon correctly, how many sides did she draw?

• 3 sides
• 4 sides
• 5 sides
• 6 sides

What is the measure of the unknown angle?

• 34 degrees
• 44 degrees
• 146 degrees
• 180 degrees

Breanna sorted the triangles below into two groups. If she sorts the triangles by the lengths of their sides, which ones will she classify as isosceles?

• 1, 2, 4
• 1, 4, 6
• 2, 3, 5
• 2, 4

Which of the following is an acute, equilateral triangle?

• A
• B
• C
• D

How many acute angles does an equilateral triangle have?

• 0 angles
• 1 angle
• 2 angles
• 3 angles

Three angles in a quadrilateral measure 88°, 64°, and 146°. What is the measure of the fourth angle?

• 50 degrees
• 59 degrees
• 62 degrees
• 77 degrees