Respuesta :

Answer: 9

Step-by-step explanation:

A=(a+b)/2 *h

135= 30/2* h

135= 15 * h

135/15= h

9=h

Answer:

Height = 9

Step-by-step explanation:

Area of a trapezoid = ½(a+b)h

135 = ½(8+22)h

135 = ½(30)h

135 = 15h

h = 135/15

h = 9