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In quadrilateral ABCD, angle A : angle B : angle C : angle D = 1 : 1 : 2 : 2.
This quadrilateral is a trapezium. Identify the two largest equal angles' measure.

Class 9Angle Sum Property of QuadrilateralsGeometry — Quadrilaterals
  • A60°
  • B90°
  • C120°
  • D150°

Step-by-Step Solution

1+1+2+2 = 6 parts = 360, 1 part = 60. The two larger angles = deg each.
Answer: C) 120°

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