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http://unifiedcouncil.com/sample_que_9_1.html ques no 3 PLS EXPLAIN!!!!!

http://unifiedcouncil.com/sample_que_9_1.html


ques no  3


PLS EXPLAIN!!!!!

Grade:9

2 Answers

sanatan sharma
26 Points
10 years ago

1054_41804_scan0001.jpg

sanatan sharma
26 Points
10 years ago

let the altitude of the triangle be h , the altitude of the smaller triangle be x , area of the bigger triangle be Aand the area of the smaller triangle be a

then A=2a

  a/2a = (x/h)2

  x/h = 1/√2

 h= √2x

 remaining height = √2x - x

                         =x(√2-1)

therefore       ratio = 1:(√2-1)

 

please approve the answer

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