2D shapes

Leroy classified shapes based on their angles. Which shape was not classified correctly?

• Square

• Pentagon

• Parallelogram

• Trapezoid

Eric sorted shapes into categories as show. Which answer choice best describes errors Eric made in sorting these shapes?

• The circle and the pentagon don't belong with the polygons and the trapezoid doesn't belong with the quadrilaterals.

• The circle doesn't belong with the polygons and the pentagon does't belong with the trapezoids.

• The parallelogram doesn't belong with the trapezoids.

• The triangle and the circle don't belong with the polygons and the pentagon doesn't belong with the trapezoids.

Which of the following shapes are both polygons?

• A circle and an oval

• An oval and a rectangle

• A trapezoid and a pentagon

• An oval and a rhombus

Which of following is true?

• Quadrilaterals always have 4 right angles.

• Quadrilaterals always have 4 sides.

• Quadrilaterals always have parallel lines.

• None of the above is true.

Which polygon has 4 sides and only one pair of parallel sides?

• Trapezoid

• Square

• Rhomus

• Parallelogram

Which polygon has 3 sides and only 2 of the side lengths are congruent?

• Equilateral triangle

• Scalene Triangle

• Isosceles triangle

• Trapezoid

Andy draws two different quadrilaterals. Both quadrilaterals have two pairs of parallel sides. Both quadrilaterals have all the same side lengths. Which two quadrilaterals could he have drawn?

• Square and trapezoid

• Rectangle and square

• Square and rhombus

• Rectangle and trapezoid

What are all the names for this figure.

• Polygon

• Acute triangle

• Equalteral triangle

• All of the above

Which of the following is not an attribute of a parallelogram?

• 2 pairs of parallel sides

• 4 sides

• All right angles

• Closed figure