oolymoof oolymoof
  • 19-02-2021
  • Mathematics
contestada

Help I will be marking brainliest!

A. 48
B. 124.8
C. 135.2
D. 115.2

Help I will be marking brainliest A 48 B 1248 C 1352 D 1152 class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 19-02-2021

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

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