thohong2001
thohong2001 thohong2001
  • 13-08-2020
  • Mathematics
contestada

PLEASE HELP! A) 9 B) 8.6 C) 26.3 D) 5.7

PLEASE HELP A 9 B 86 C 263 D 57 class=

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 13-08-2020

Answer:

x = 9.0

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos theta = adj/ hyp

cos 39 = 7/x

x cos 39 = 7

x = 7/cos 39

x =9.007316961

x = 9.0

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