jsnshsjsbshshsn jsnshsjsbshshsn
  • 16-01-2021
  • Mathematics
contestada

Please help..............

Please help class=

Respuesta :

forthswatw2001
forthswatw2001 forthswatw2001
  • 18-01-2021

Step-by-step explanation:

find B° = m∆-90°-50°

= 180°-90°-50°

B°=40°

find c

since cos(b) = 27/c

cos(40°) =27/c

c=27/cos(40°)

c≈35.246

fin b

since sin(b) = b/c

sin(40°)=b•c

b= sin(40°)•c

b≈22.656

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