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WBCS Main Examination 2023 — Paper VI: Arithmetic and Test of Reasoning · Question 142 of 200

Q142
ArithmeticGeometry & Mensuration
If the length of two diagonals of a rhombus are 24 cm and 10 cm, the perimeter of rhombus is
  1. a.13 cm
  2. b.26 cm
  3. c.52 cm
  4. d.25 cm

Answer: (C) 52 cm

The diagonals of a rhombus bisect each other at right angles, so each side is $\sqrt{12^2 + 5^2} = 13$ cm. The perimeter is 4 × 13 = 52 cm. 13 cm is just one side.

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If the length of two diagonals of a rhombus are 24 cm and 10 cm, th… — WBCS Main Examination 2023 Q142 | Prostuti360°