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  9. Q262

RRB Group D (Level-1 posts) 2022 · Question 262 of 598

What is the area of an equilateral triangle whose each side is 14 cm long?

  1. A49√3 cm2Correct
  2. B14√3 cm2
  3. C21√3 cm2
  4. D35√3 cm2

Answer: A. 49√3 cm2

Explanation

The area of an equilateral triangle with side length a is (√3/4) × a2. Substituting a = 14 cm, we get 49√3 cm2.

Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 3) - Prepp · reliable-secondary

← Q261View full paper (598 questions)Q263 →

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