Question

In ABC if A=1200 and AB=AC then find B and C.​

Answer 1

Answer:

∠B=∠C=30

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We have,

∠A=120

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and AB=AC⇒∠B=∠C

But, ∠A+∠B+∠C=180

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∴120

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+∠B+∠B=180

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⇒2∠B=60

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⇒∠B=30

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⇒∠C=∠B=30

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