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CDS 2025 · PYQ · Mensuration / Parallelogram · easy

The adjacent sides of a parallelogram are 10 cm and 8 cm and the angle between them is 150°. What is the area of the parallelogram?

  1. A.40√3 square cm
  2. B.40 square cm✓ Correct
  3. C.20√3 square cm
  4. D.20 square cm

Explanation

Area of parallelogram = ab·sin θ = 10 × 8 × sin 150° = 80 × 1/2 = 40 square cm.
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