Question

Which could not be the length of the unknown side of the triangle?

A. 12
B. 14
C. 15
D. 18

Answer 1

All of them

Explanation:

All the listed answers are greater than the side marked 11. I don't know if this drawing is to scale, but even the answer 12 if you would make the triangle into two smaller right triangles from the vertex of angle ? and 6 to the side marked 11