Question 1010698
The formula for the area of a trapezoid is
A = (h/2)(b1 + b2)
Here h = 10, b1 = 2/3(b2), and A = 125...now plug in
125 = (10/2)(b + (2/3)b)
25 = (5/3)b
b = 15 cm
2/3 b = 10 cm