Quadrilaterals (solving)

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides, four vertices, and four angles.

Front

What are the properties of a rectangle?

Back

A rectangle has opposite sides that are equal in length, all angles are right angles (90 degrees), and the diagonals are equal in length.

Front

How do you find the area of a rectangle?

Back

Area = length × width.

Front

What is a parallelogram?

Back

A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length.

Front

What are the properties of a parallelogram?

Back

Opposite angles are equal, consecutive angles are supplementary, and the diagonals bisect each other.

Front

How do you find the area of a parallelogram?

Back

Area = base × height.

Front

If one angle of a rectangle is 90 degrees, what are the measures of the other angles?

Back

All angles in a rectangle are 90 degrees.

Front

What is the relationship between the sides of a rectangle?

Back

Opposite sides of a rectangle are equal in length.

Front

If the length of a rectangle is 5 cm and the width is 3 cm, what is the perimeter?

Back

Perimeter = 2(length + width) = 2(5 + 3) = 16 cm.

Front

What is the formula for the perimeter of a parallelogram?

Back

Perimeter = 2(base + height).