In - ABC- if a-1-b-2- C- 60 o then 4- 2 - c 2 -

The correct option is A 6 Given, a=1, b=2, ∠ C=60^0 We know Δ = 1 2 absin c ⇒Δ =√( 3 ) #160; 2 Also c ^ 2 = a ^ 2 + b ^ 2 2abcos ...

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Equal Angles Subtend Equal Sides

In Δ ABC, i...

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In $Δ A B C$ , if $a = 1, b = 2, ∠ C = 60^{o}$ then $4 Δ^{2} + c^{2} =$

6

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3

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\frac{\sqrt{3}}{2}

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9

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Δ A B C

a = \sqrt{2}, b = 2, c = \sqrt{3} + 1

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Δ A B C

\frac{a}{b} = 2 + \sqrt{3}

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∠ A = 105^{o}

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