Parallelograms

Which explanation about figures is correct?

• Only some rhombuses are parallelograms. Parallelograms have 2 pairs of parallel sides.

• All rhombuses are parallelograms. Parallelograms have 2 pairs of parallel sides.

• Only some rhombuses are parallelograms. Parallelograms have exactly 1 pair of parallel sides.

• All rhombuses are parallelograms. Parallelograms have exactly 1 pair of parallel sides.

Which quadrilaterals appear to be parallelograms? Select the three correct answers.

• Figure i

• figure ii

• figure iii

• figure iv

• figure vi

Which figure is always a parallelogram but not always a rectangle?

• square

• rhombus

• trapezoid

• quadrilateral

Which statement is true?

• All squares are parallelograms.

• All rhombuses are rectangles.

• All parallelograms are squares.

• All rectangles are rhombuses.

What is the value of x?

• 132

• 66

• 114

• 48

A parallelogram has two consecutive angles, one of which is twice the size of the other. What is the measure of the smaller angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

In a parallelogram, if one angle measures 60 degrees, what is the measure of the opposite angle?

• 30 degrees

• 60 degrees

• 120 degrees

• 180 degrees

• A

• B

• C

• D

• E

Which property is not a characteristic of every parallelogram?

• Opposite sides are parallel.

• Opposite sides are congruent.

• Opposite angles are congruent.

• All angles are acute.

All figures given are parallelograms EXCEPT for?

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