Respuesta :

mhanifa

Answer:

  • B.  124.8

Step-by-step explanation:

ΔBDS ~ ΔBZD

  • BD = 52
  • BZ = 20
  • BS = ?

Use ratios of similar triangles:

  • BS/BD = DZ/BZ
  • BS = BD*DZ/BZ

DZ = √(52²-20²) = 48

  • BS = 52*48/20 = 124.8

Correct choice is B