A triangle has an area of 65ft. Its height is 3 ft more than its base. Find the measure of the base

(1/2) b h = 65

bh = 130
But h = b+3
b(b+3)=130
b^2+3b-130=0
(b+13)(b-10)=0
b=10
test answer: (1/2)(10)(13)=65