Answer:
12 mm
Explanation:
The area of a triangle is 1/2bh. We are given the height and area of the triangle, so substitute these values into the formula and solve for b.
1/2b(6) = 36
Multiply 1/2 and 6.
3b = 36
Divide both sides by 3.
b = 12
The base of the triangle, b, is 12 mm.