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

Please help!!!!!!!!!

Please help class=

Respuesta :

caoch
caoch caoch
  • 04-06-2020

Answer:

57 degree

Step-by-step explanation:

AB^2 = AC^2+CB^2-2ACCBcosC

AB=25cm

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

A=56.6 degree

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