From a point C on a level ground the angle of elevation of the top of a tower is 30 degree If the to...........

Quantitative Aptitude ( CCS) Trignometry

From a point C on a level ground, the angle of elevation of the top of a tower is 30 degree. If the tower is 100 meter high, find the distance from point C to the foot of the tower.

170 meter

172 meter

173 meter

167 meter

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Explanation:

Let AB be the tower.
then∠ACB=30
°AB=100meters
AB/AC=tan30
=>100/AC=1/√3
=>AC=√3∗100
=>AC=1.73∗100
=>AC=173meter
Please always remember the value of square root 3 is 1.73, and value of square root 2 is 1.41.

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