In $\triangle ABC$ if $\angle A = 45^\circ$, $\angle B = 30^\circ$ then $a:b:c =$ _________. (a) $2 : \sqrt{2} : \sqrt{3}+1$ (b) $\sqrt{2} : 2 : \sqrt{3}+1$ (c) $2\sqrt{2} : \sqrt{2} : \sqrt{3}$ (d) $2 : 2\sqrt{2} : \sqrt{3}+1$

In triangle ABC if ∠ A = 45^°, ∠ B = 30^° then a:b:c = _____. (a) 2 : √(2) : √(3)+1 (b) √(2) : 2 : √(3)+1 (c)

Miscellaneous Exercise 3 · Q72

\triangle ABC

(a)

2 : \sqrt{2} : \sqrt{3}+1

(b)

\sqrt{2} : 2 : \sqrt{3}+1

(c)

2\sqrt{2} : \sqrt{2} : \sqrt{3}

(d)

2 : 2\sqrt{2} : \sqrt{3}+1

Maharashtra MsbshseTextbookSubjectiveImportance★★★★★

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$C=180^\circ-45^\circ-60^\circ$ ... using the MCQ's own given angles $A=45^\circ,B=30^\circ$ : $C=105^\circ$ . $\sin45^\circ=\dfrac{1}{\sqrt2}$ , $\sin30^\circ=\dfrac12$ , $\sin105^\circ=\sin(60^\circ+45^\circ)=\dfrac{\sqrt6+\sqrt2}{4}$ . Ratio $a:b:c=\dfrac{1}{\sqrt2}:\dfrac12:\dfrac{\sqrt6+\sqrt2}{4}$ ; multiplying throughout by …

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Q.In $\triangle ABC$ if $\angle A = 45^\circ$ , $\angle B = 30^\circ$ then $a:b:c =$ _________.

Concept understanding — Solving a Triangle - Sine Rule

Q.In △ABC\triangle ABC△ABC if ∠A=45∘\angle A = 45^\circ∠A=45∘, ∠B=30∘\angle B = 30^\circ∠B=30∘ then a:b:c=a:b:c =a:b:c= _________.

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Q.In $\triangle ABC$ if $\angle A = 45^\circ$ , $\angle B = 30^\circ$ then $a:b:c =$ _________.

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