Question

trianle ABC is a right angled triangle with angleB=90°. 'D' and 'E' are points on
AB and Ac respectively, such that DE || BC. IfAB=9 cm, BC=12 cm, and
AD:DB=1:2, then find the length of AE.
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Answer 1

Answer:

5 cm

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation: ANSWER : AE=5CM

BY Pythagoras  Theorem we get AC =15

 Already we know that triangle ADE similar to triangle ABC(BY A.A.A)

  Given AD:DB=1:2 so AE:EC=1:2

    Therefore AE=5

   I hope it may help you ...Thank you......