The angle of elevation of the top of a tower from a point A on the ground is 30^{o}. On moving a distance of 20 metres towards the foot of the tower to a point B the angle of elevation increases to 60^{o}. Find the height of the tower and distance of the tower from the point A.

### Asked by Topperlearning User | 2nd Nov, 2017, 09:46: AM

Let CD be the tower

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_{} Height of the tower = 17.3 m

and distance of the tower from point A = AB + BC= 20 +10 = 30 m

### Answered by | 2nd Nov, 2017, 11:46: AM

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