How long is the base of the triangle?

Question

the height of a triangle is 2cm less than the length of its base. the area of the triangle is 12cm^2. how long is the base of the triangle?

Answer 1

why are you having other people doing your homework??????????

Answer 2

h=4

b=6

Answer 3

area + 1/2 base * height

12 = (1/2)(b)(b-2)

solve for b