sld04
sld04 sld04
  • 04-06-2020
  • Mathematics
contestada

Please help with this!!! My grade depends on it!!!

Please help with this My grade depends on it class=

Respuesta :

caoch
caoch caoch
  • 04-06-2020

Answer:

52 degree

Step-by-step explanation:

So using cos again again :v

AC^2 = AB^2 +BC^2 - 2ABBCcosB

AC = 31.796cm

then

BC^2=AB^2 + AC^2 -2ABACcosA

Cos A = 0.61

A=52.17degree

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