Question

In an isosceles ∆ABC with AB = AC and angle BAC = 100o ; if the bisectors of base angles angle B and angle C meet at point O then angle BOC will be ?

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Answer 1

Answer:given- angle BAC =100

Base angles = 100+2x= 180

2x=80

X=40

Now both base angles are bisected therefore 40/2 + 40/2 + y =180

20+20+y=180

Y=140

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Step-by-step explanation: