The angle of elevation of a building from a measuring instrument placed on the ground...

MATHEMATICS
JAMB 1997

The angle of elevation of a building from a measuring instrument placed on the ground is 30o. If the building is 40m high, how far is the instrument from the foot of the building?

  • A. \(\frac{20}{√3m}\)
  • B. \(\frac{40}{√3m}\)
  • C. 20√3m
  • D. 40√3m

Correct Answer: D. 40√3m



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