Topic 16 Test - Classify Two-Dimensional Figures

Alex drew the triangles shown. Which of the following correctly describes the triangles?

• Both triangles are isosceles.

• Only one triangle has a right angle.

• Only one triangle has an acute angle.

• Both triangles have an obtuse angle.

The measures of the angles in an equilateral triangle are equal. What is the measure of each angle of an equilateral triangle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

Which quadrilateral is NOT a parallelogram?

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The shaded quilt piece has 4 equal sides. What type of quadrilateral is it?

• Rectangle

• Rhombus

• Square

• Trapezoid

Which of the following can be used to describe the rectangle shown?

• All angles are acute.

• Opposite sides are perpendicular.

• Opposite sides are parallel.

• All sides are the same length.

Look at the trapezoid and rectangle shown.

How are the two figures the same?

• Both figures have 4 right angles.

• Both figures have 2 pairs of equal opposite sides.

• Both figures have 4 acute angles.

• Both figures have at least 1 pair of parallel sides.

Look at the trapezoid and rectangle shown.

How are the two figures different?

• The trapezoid has 4 acute angles, but the rectangle has 4 right angles.

• The rectangle has 2 pairs of parallel sides, but the trapezoid has only 1 pair of parallel sides.

• The rectangle has 4 right angles, but the trapezoid has only 2 right angles.

• The trapezoid has 2 equal sides, but the rectangle has 4 equal sides.

Identify the figure shown. Select ALL names that apply.

• Quadrilateral

• Parallelogram

• Rhombus

• Square

• Trapezoid

Identify the figure shown. Select ALL names that apply.

• Quadrilateral

• Parallelogram

• Rectangle

• Rhombus

• Square

A scarf is the shape of a triangle with two perpendicular sides that are the same length. Which TWO terms describe the triangular scarf?

• Isosceles

• Acute

• Right

• Equilateral