Classify Two-Dimensional Figures

Which statement is NOT true of this rhombus?

• It has two obtuse angles.

• It has two pairs of parallel sides.

• It has two angles that measure less than

  90°.

• It has two pairs of perpendicular sides.

Coach V sorted these figures into two groups. What attributes did he use to sort the figures?

• Group A has figures with only right angles. Group B has figures with only obtuse angles.

• Group A has figures with both parallel and perpendicular sides. Group B has figures with no perpendicular sides.

• Group A has figures with only parallel sides. Group B has figures with only perpendicular sides.

• Group A has figures with only right angles. Group B has figures with only acute angles.

A figure has four congruent sides, two sets of parallel sides, and two acute angles. What type of figure is it?

• Rectangle

• Square

• Rhombus

• Trapezoid

Regina cuts three pentagons as shown. She cuts the pentagon that contains a pair of parallel line segments from green paper. She cuts the other pentagons from orange paper. Which of Regina’s pentagons is green?

• Figure 1 only

• Figure 2 only

• Figure 3 only

• None of Regina’s pentagons contains a pair of parallel line segments.

What is the name of a four-sided shape where opposite sides are parallel and all sides are of equal length?

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A polygon ___________________.

• is formed with curved sides

• a 3-D shape with straight sides

• a 2-D shape formed by three or more straight sides

• a open shape with straight sides

A quadrilateral ___________________ .

• a polygon with 3 sides and 3 angles

• a polygon with 4 sides and 4 angles

• formed with 4 curved lines

• formed with 5 sides and 5 angles

A trapezoid ___________________ . 

• a quadrilateral with 3 sides

• a polygon with 4 sides and 4 angles

• figure with 3 vertices

• A quadrilateral with one pair of parallel sides

A parallelogram _______________ .

• A quadrilateral 

• 2 pairs of parallel sides

• 2 pairs of sides of equal lengths

• ALL are TRUE 

A rhombus _________________ .

• A quadrilateral with 2 pairs of parallel sides and 4 sides of equal length

• A quadrilateral with 4 unequal sides

• also can be called a rectangle

• three sided figure with straight lines