- A34°
- B124°
- C56°
- D66°
Step-by-Step Solution
∠A = 180° − 124° = 56° (co-interior with ∠D). Base angles are equal, so ∠B = ∠A = 56°.
Answer: C) 56°
The top angle ∠D of isosceles trapezium ABCD (AB ∥ DC, AD = BC) is 124°. Find the bottom angle ∠B.
Class 8Kites and TrapeziumsQuadrilaterals
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