G.9 Quadrilateral Properties FLASHCARD

Front

What are the properties of a parallelogram?

Back

The opposite sides are congruent, opposite angles are congruent, the diagonals bisect each other, and consecutive angles are supplementary.

Front

Are the opposite sides of a parallelogram congruent?

Back

True

Front

Can a parallelogram be a rectangle?

Back

Sometimes; all rectangles are parallelograms, but not all parallelograms are rectangles.

Front

What is a trapezoid?

Back

A quadrilateral with at least one pair of parallel sides.

Front

What is a rhombus?

Back

A quadrilateral with all four sides congruent and opposite sides parallel.

Front

What formula would you use to prove if the opposite sides of figure ABCD are parallel?

Back

Slope formula.

Front

What is the sum of the interior angles of a quadrilateral?

Back

360 degrees.

Front

How do you find the missing angle in a trapezoid?

Back

Use the property that the sum of the angles in a trapezoid is 360 degrees.

Front

What is the difference between a rectangle and a rhombus?

Back

A rectangle has four right angles, while a rhombus has all sides congruent.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.