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Question

In a ABC, if 2A = 3B = 6C, then A, B, C are respectively _________.


A

30, 60, 90

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B

90, 60 , 30

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C

30, 90, 60

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D

None of these

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Solution

The correct option is B

90, 60 , 30


Given, 2A = 3B = 6C

Consider

2A = 3B = 6C

B = 23A

C = 26A

In any triangle, we know that the sum of all the angles of a triangle is equal to 180°, (Angle Sum Property)

A + B + C = 180

A + 23A + 26A = 180

126A = 180

A = 90

B = 23A = 23 × 90° = 60°

C = 26A = 26 × 90° = 30°


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