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MHT CET 2023 Mathematics question

MathematicsSolution of TrianglesMHT CET 2023

Not in JEE syllabus

If one side of a triangle is double the other and the angles opposite to these sides differ by 60°, then the triangle is

Answer: (B)

Solution

Let the sides be with opposite angles and , and . By the sine rule , so . Expanding: $Missing argument for \frac\frac12 B+Missing argument for \frac\frac{\sqrt3}2 B=2 B⇒Missing argument for \frac\frac{\sqrt3}2 B=Missing argument for \frac\frac32 B⇒

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Question ID VK-095376