If the sides of a triangle are 7 cm, 4 3 cm and 13 cm, then the smallest angle of the triangle is

JEE Main Mathematics question

Not in JEE syllabus

If the sides of a triangle are 7 cm, cm and cm, then the smallest angle of the triangle is

Answer: (C)

The sides are , and ; the smallest angle faces . Cosine rule:

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Question ID VK-008539