Respuesta :

CrazyBun
Answer: BC = 54

Explanation:

P is the circumcenter of the triangle
=> E is the midpoint of BC

Thus:

BE = EC
13x - 51 = 10x - 33
3x = 18
x = 6

BC = 2(10x - 33)
BC = 2(60 - 33)
BC = 2 x 27
BC = 54