Zanijeonna
Zanijeonna Zanijeonna
  • 17-07-2021
  • Mathematics
contestada

Please help out explanation need it

Please help out explanation need it class=

Respuesta :

Аноним Аноним
  • 17-07-2021

Answer:

SinA= BC/AC=20/55

SinA=4/11

A=Sin^-1(4/11)

A=Sin^-1(0.36)

LA=21.1 ← ans

OAmalOHopeO

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