Mathematics
Grade9
Easy

Question

Find the value of KJ. capital delta LK J space tilde space capital delta RQP.

  1. 22
  2. 33
  3. 11
  4. 44

hintHint:

In similar triangles, corresponding sides are proportional.

The correct answer is: 22



    Since, capital delta LK J space tilde space capital delta RQP.
    fraction numerator L J over denominator R P end fraction space equals space fraction numerator K J over denominator Q P end fraction  (In similar triangles, corresponding sides are proportional)
    28 over 42 space equals space fraction numerator K J over denominator 33 end fraction
    K J equals fraction numerator open parentheses 33 cross times 28 close parentheses over denominator 42 end fraction equals 22
    Thus, the value of KJ is 22.

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