Parallel Perpendicular Lines Parallelograms

A _______________ is a quadrilateral with two sets of parallel sides.

• trapezoid

• parallelogram

• kite

• triangle

Which of the following properties is true about parallelograms?

• Base angles are congruent.

• Diagonals are congruent.

• Opposite sides are parallel.

What are parallel lines?

• Lines that cross each other.

• Lines that form an angle or corner.

• Lines that will never cross.

• Lines that are curved.

Prove that if a quadrilateral is a parallelogram, then the opposite sides are congruent.

• parallel

• Alternate Interior Angles Theorem.

• Reflexive Property.

• ASA≅

• Corresponding Parts of Congruent Triangles are Con

The diagonals of a parallelogram

• are always congruent

• bisect each other

• are never congruent

• parallel

What do a rhombus and a rectangle have in common?

• they are both parallelograms

• they always have four right angles

• they are not polygons

• they have five sides

Lines that cross at 90 degree angles are

• Parallel

• Perpendicular

• Congruent

• Not possible

Both pairs of opposite sides are parallel.

• Rectangle

• Square

• Parallelogram

• Rhombus

• Trapezoid

Consecutive angles are supplementary.

• Parallelograms

• Quadrilaterals

• Kites

• Triangles

Diagonals bisect each other.

• Parallelograms

• Kites

• Trapezoids

• Quadrilaterals