Home » Aptitude » Plane Geometry » Question
  1. In a ∆ABC, if 2 ∠ A = 3 ∠ B = 6∠C, value of ∠ B is
    1. 60°
    2. 30°
    3. 45°
    4. 90°
Correct Option: A

As per the given in question,
∴ 2∠A = 3∠B = 6∠C

2∠A
=
3∠B
=
6∠C
666

∠A
=
∠B
=
∠C
321

⇒ ∠A : ∠B : ∠C = 3 : 2 : 1
∴ ∠B =
2
× 180°
1 + 2 + 3

∠B =
2
× 180° = 60°
6



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