The formula for the area of a triangle is , where b is the base of the triangle and h is the height of the triangle. what is the length of the base of a triangle with an area of 30 and a height of 12 ft?
A= 1/2bh. You know A= 30 and h= 12 30= 1/2b(12). 1/2 of 12 is 6 30= 6b Divide by 6 b= 5