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∠A, ∠B, ∠C are three angles of a triangle. If ∠A -∠B =18°, ∠B – ∠C = 45°, then, ∠B, ∠A and ∠C areChoices:-

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Solution 1

1. Break Down the Problem

We know that the sum of the angles in a triangle is 180°. We have two relations:

  • AB=18 \angle A - \angle B = 18^\circ (1)
  • BC=45 \angle B - \angle C = 45^\circ (2)

We can express A \angle A and C \angle C in terms of B \angle B .

2. Relevant Concepts

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