For the triangles to be similar by the SSS similarity
theorem, what must be the value of y?

Answer:
y = 20
Step-by-step explanation:
We have,
To be similar by
PR/AC = CB/RQ = AB/PQ
or, 28/14 = y/10 = y/10
or, 2 = y/10 = y/10
Taking 1st and 2nd ratio,
or, y = 2*10 = 20