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Q:

129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of cliff is 30 °. The height of this cliff is 

  • 1
    43√3 metre
  • 2
    47 √3 metre
  • 3
    50 √3 metre
  • 4
    45 √3 metre
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Answer : 1. "43√3 metre "

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