Two-Dimensional Figures

James drew the figures shown. Which of the figures appear to have exactly 2 obtuse
angles?

• 2, 3, and 4
• 2 and 3
• 1, 3, and 4
• 1 and 4

Which quadrilateral is NOT a parallelogram?

• Rhombus
• Rectangle
• Square
• Trapezoid

What is a polygon?

• A closed plane figure made up of line segments
• An open plane figure made up of line segments
• A closed plane figure made up of rays
• An open plane figure made up of rays

A parallelogram, rectangle, rhombus and square are ALL quadrilaterals

• True
• False

Polygon?

• Yes
• No

Polygon?

• Yes
• No

How are a parallelogram and a trapezoid different?

• A trapezoid has 4 right angles, but a parallelogram doesn’t need to have 4
  right angles.
• A trapezoid has only 1 pair of parallel sides, but a parallelogram has 2.
• A parallelogram
  right angles.
• A parallelogram has only 1 pair of parallel sides, but a trapezoid.

A polygon is a closed figure with _____ or more closed line segments as sides

• 1
• 2
• 3
• 4

A pentagon has how many sides?

• 10
• 6
• 8
• 5

Which figure is ALWAYS a rhombus? 

• parallelogram
• rectangle
• square
• trapezoid