- A66
- B60
- C54
- D120
Step-by-Step Solution
AB || DC, so angle A and angle D are co-interior: angle A + angle D = 180. angle D = 180 - 120 = 60°.
Answer: B) 60
In a trapezium ABCD, AB is parallel to DC. The angles on the same leg AD are co-interior. If angle A = 120°, find angle D (in degrees).
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