Math, asked by chauhanarti1268, 1 year ago

Diagonal bd of a parallelogram abcd trisects at p and q.Prove that cq ||ap

Answers

Answered by HermioneWatson
1

When you draw the diagram, you may observe that we get two triangles APD and CQB which are congruent.

They are congruent by SAS congruence :-

  1. AD = CB (Sides of parallelogram)
  2. AP = CQ ( Trisected parts from question)
  3. Angle ADP = Angle CBQ

By CPCT, angle APD = angle CQB

Now, if you extend the lines AP and CQ, we get to satisfy the condition that angle APD = angle CQB by vertically oppposite angles with DB being the transversal.

Therefore, we can conclude that AP ll CQ

Hence proved.

Hope this helps :)

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