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Angle B is 2 times angle A and angle C is 3 times angle A in triangle ABC. The triangle is then classified.
What is angle C, and what type of triangle is it?

Class 9Angle Sum of a TriangleGeometry — Lines and Angles
  • A90°, right-angled
  • B60°, acute
  • C120°, obtuse
  • D30°, acute

Step-by-Step Solution

. Angle deg, so the triangle is right-angled.
Answer: A) 90°, right-angled

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