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Standard X
Mathematics
Calculating Heights and Distances
Question

In the diagram, FP represents a flag pole on top of a building. From the information given in the figure, the approximate length of the flag pole is
380193.bmp
  1. 13 m
  2. 10 m
  3. 17 m
  4. 8 m

A
13 m
B
8 m
C
10 m
D
17 m
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Solution
Verified by Toppr

OP = OA (∵∠OAP=45∘=∠OPA)
=30∘
tan30∘=OFOAorOF=30×1√3
∴FP=OP−OF=30∘−30√3≃17

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