Question

in triangle ABC BC = AB and angle B=80°.
Step by step.​

Answer 1

Step-by-step explanation:

Q is incomplete.

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Answer 2

BC=AB

⇒∠A=∠C (As angles opposite to equal side are equal)

let thte angles be x each.

Now by angle sum property

∠A+∠B+∠C=180

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⇒x+80 +x=180

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⇒2x=180 −80

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⇒2x=100

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⇒x=50

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∴∠A=50

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