Answer:
Height = 10 in.
Step-by-step explanation:
Area of a trapezoid = ½(a + b)*h
Where,
a = 6.7 in.
b = 7.3 in.
h = height = ??
Area = 70 in.²
Plug in the values
70 = ½(6.7 + 7.3)*h
70*2 = 14h
140 = 14h
Divide both sides by 14
140/14 = h
h = 10 in.
