Quadrilaterals

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.

The area formula for a trapezoid is $a$ plus $b$, times $h$, divided by 2. Learn how to use this formula to calculate the area of a trapezoid in this video.