A tower stands vertically on the ground. The angle of elevation of the top of<br />the tower from a point on the ground, Which is 90 m away from the foot of<br />the tower is 30°. Find the height of the tower (Take 13 = 1.73)
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0
Answer:
Step-by-step explanation:
deepakrana15:
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1
Answer:
51.96m
Step-by-step explanation:
by pythagoras theorem , for ΔABC :
let AB be height of tower , BC be distance between foot of tower and the point.
Given : BC=90m and AB=? where α=30°
tan α=AB/BC
tan 30=AB/90
AB=90*tan 30
AB=90*(1/√3)
AB=51.96m
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