In - ABC- if AB - BC and - B - 80- then - C -

The correct option is A 50^∘ ∵ AB = BC ⇒ ∠ A = ∠ C ∠ A + ∠ B + ∠ C = 180^∘ 2 ∠ C + 80^∘ = 180^∘ ∠ C = 50^∘ ...

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Parallel Lines with Transversal

In Δ ABC, i...

Question

In $Δ A B C,$ if $A B = B C$ and $∠ B = 80^{\circ},$ then $∠ C$ =___.

50^{\circ}

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100^{\circ}

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130^{\circ}

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none of these

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Solution

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Similar questions

In ΔABC, BC = AB and ∠B = 80°, then ∠A is equal to:

$I n Δ A B C, BC = AB and ∠ B = 80^{\circ} . T h e n, ∠ A = ? (a) 50^{\circ} (b) 40^{\circ} (c) 100^{\circ} (d) 80^{\circ}$

Δ A B C

∠ B = 80^{\circ}

∠ A

80^{\circ}

40^{\circ}

50^{\circ}

100^{\circ}

$I n Δ A B C, AB = AC and ∠ B = 50^{\circ} . T h e n ∠ A = ? (a) 40^{\circ} (b) 50^{\circ} (c) 80^{\circ} (d) 130^{\circ}$

Δ A B C

∠ B = 50^{\circ}

∠ C

40^{\circ}

50^{\circ}

80^{\circ}

130^{\circ}

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