BONUS:
The area of a trapezoid is 420 square centimeters. The longer base of the trapezoid is 36 centimeters. The shorter base of the trapezoid is 20 centimeters.
What is the height of the trapezoid?
F: 18 centimeters
G: 25 centimeters
H: 15 centimeters
J: 30 centimeters