A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find the height of the pole, if the angel made by the rope with the ground level is 30°.
MSMS:
Ansr is 10m.Use Sin30°=height of pole/length of rope.
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Cos30=distance btwn them/20
Root3/2=d/20
d=10 root3
Height^2=hyp^2-base^2
H=sq root of (20)^2-(10root3)^2
On solving,
H=10m
Root3/2=d/20
d=10 root3
Height^2=hyp^2-base^2
H=sq root of (20)^2-(10root3)^2
On solving,
H=10m
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