- A120°
- B60°
- C90°
- D135°
Step-by-Step Solution
∠A and ∠ are co-interior angles between the parallel sides, so ∠A + ∠°. With ∠∠, ∠° and ∠°.
Answer: A) 120°
In trapezium ABCD, AB ∥ DC and ∠A is twice ∠D. Find ∠A.
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