Grade 9 Quadrilaterals

A square is a special type of parallelogram.

It is a quadrilateral whose only one pair of opposite sides is parallel.

TRUE/FALSE. Opposite angles of a parallelogram are congruent.

Opposite sides of a parallelogram are congruent.

A rectangle is considered a parallelogram.

It is a line segment that joins non-consecutive vertices.

The diagonals of a parallelogram are always perpendicular.

The following are considered parellelogram except ______. a. Rectangle b. Kite c . Rhombus d. Square

TRUE OR FALSE. Opposite sides of a parallelogram are parallel

When the diagonals of a parallelogram intersect, they meet at the __________ of each diagonal.

Consecutive angles in a parallelogram are supplementary.

The diagonals of a parallelogram bisect each other.

The _________ of a trapezoid is the segment that joins the midpoints of the legs. a. midsegment b. midpoint c . median d. diagonal

A quadrilateral with two distinct pairs of congruent adjacent side is __________. a. Trapezoid b. Isosceles Trapezoid c. Parallelogram d. Kite

It is a quadrilateral whose both pairs of opposite sides and opposite angles are congruent.

What do we call a trapezoid with congruent legs?

A parallelogram always has four right angles.

The sum of the interior angles of a parallelogram is 360°.

The diagonals of a parallelogram always bisect the opposite angles.

TRUE /FALSE. Adjacent sides of a parallelogram are always congruent.

A parallelogram must have at least one pair of parallel sides.