Geometry - Quadrilaterals

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

What are the properties of opposite angles in a parallelogram?

Back

The opposite angles of a parallelogram are congruent (equal in measure).

Front

If ABCD is a parallelogram, what can be said about the diagonals AC and BD?

Back

The diagonals of a parallelogram bisect each other.

Front

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

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

In a parallelogram, what is true about the consecutive angles?

Back

Consecutive angles in a parallelogram are supplementary (add up to 180 degrees).

Front

What is an isosceles trapezoid?

Back

An isosceles trapezoid is a trapezoid with a pair of opposite sides that are parallel and the non-parallel sides are equal in length.

Front

What can be said about the base angles of an isosceles trapezoid?

Back

The base angles of an isosceles trapezoid are congruent.

Front

How do you find the area of a parallelogram?

Back

The area of a parallelogram can be found using the formula: Area = base × height.

Front

What is the relationship between the sides of a rectangle and a parallelogram?

Back

A rectangle is a special type of parallelogram where all angles are right angles.

Front

What is the formula for the perimeter of a parallelogram?

Back

The perimeter of a parallelogram is given by the formula: Perimeter = 2 × (base + height).