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  1. The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1, p2 and p3. The length of each side of the triangle is
    1. 2
      (p1 + p2 + p3)
      3
    2. 1
      (p1 + p2 + p3)
      3
    3. 1
      (p1 + p2 + p3)
      3
    4. 4
      (p1 + p2 + p3)
      3
Correct Option: A


Let the side of ∆ABC be x.
O is the point in the interior of ∆ABC.
OD, OE, OF are perpendiculars.
∴ Clearly
∆OAB + ∆OBC + ∆OAC = ∆ABC

1
x × p3 +
1
x &yimes; p1 +
1
x &yimes; p2 =
3
2224

1
x(p3 + p1 + p2) =
3
24

⇒ p1 + p2 + p3 =
3
x
2

⇒ x =
2
(p1 + p2 + p3)
3



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