Respuesta :

Answer:

4 feet

Step-by-step explanation:

A=hbb

2

Solving forhb

hb=2A

b=2·12

6=4ft

the area of a triangle: height x base/ 2
so using this u work backwards
6 x 2 = 12
so area is 12 x ? = 12
12 x 1 = 12