In the given figure , angle B = 60 o  , AB = 8 cm and BC = 25 cm . Calculate i) BE   ii) AC

Dear Student.

In AEBcos 60=Base Hypotenuse=BEAB12=BE8BE=4 cmtan 60=PerpendicularBase=AEBE=AE4AE=43cmEC=BC-BE=25-4=21 cmBy Pythagoras theoremAC=AE2+EC2AC=48+441=489cm

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