the area of a triangle is 15 square inches . the triangles height is 5 inches . what is the length of the base? a) 6 inches b) 8 inches c) 10 inches d) 12 inches

The answer is A.6 because 6 times 5 is 30 divided by 2 is 15

I found that the length of the base of the triangle to be around 12.6 inches. Close enough to be Choice D