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Question

Find the value of n that makes  capital delta PQR tilde capital delta XYZ when , PQ equals 4 comma QR equals 5XY equals 4 left parenthesis straight n plus 1 right parenthesis comma YZ equals 7 straight n minus 1 & angle straight Q approximately equal to angle straight Y

  1. 1
  2. 3
  3. 5
  4. 7

The correct answer is: 3

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