Question

Using trapezoid GHIJ, solve for x.


0

6

8

10

Answer 1

6

Answer 2

Segment FE is the mid-segment of the trapezoid, so its length is the average of the two bases. In this case\[\frac{(x+3)+(2x+3)}{2}=12\]

Answer 3

I'd say experimenX is correct.