Find the measure of AD. If BC=14 cm and BD=5 cm.

∠A of ΔABC is a right angle. AD is perpendicular on BC. If BC=14 cm and BD=5 cm, then measure of AD is;

  1. 3√5 cm
  2. 3.5√5 cm
  3. 2√5 cm
  4. √5 cm
Monis Rasool Professor Asked on 21st November 2015 in Maths.
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1 Answer(s)

Answer: (1) 3 sqrt.5 cm

Explanation:-
In triangle ABC

RE: Find the measure of AD. If BC=14 cm and BD=5 cm.


As we know that square of AD = BD x CD

Then, Square of AD = 5 x 9 
  = 45 cm
Therefore, AD = 3 sqrt.5 cm

Hence, the answer is (1) 3 sqrt. 5 cm. 

Anurag Mishra Professor Answered on 21st November 2015.
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