What will be the Length of BC? If

If in a triangle ABC, BE and CF are two median perpendicular to each other and if AB = 19 cm and AC = 22 cm then the length of BC is:

  1. 20.5 cm
  2.  19.5 cm
  3.  13 cm
  4.  26 cm

 

Monis Rasool Professor Asked on 8th July 2015 in Maths.
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2 Answer(s)

13 cm

Dilshad230 Newbie Answered on 4th February 2016.
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here symbol are changed keep in mind
Apply Pythagoras theorem to find x ,y and AB=c in their respective triangle ∆APB’ , ∆A’PB and ∆APB

(2x)2+y2=9.52   …………1

X2+(2y)2=112 ……………..2

After calculating

X=4 and y=√26.25

Then you solve for AB=√(2x)2+(2y)2 =13 cm

RE: What will be the Length of BC? If

Dilshad230 Newbie Answered on 4th February 2016.
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