In Figure-4, a tightly stretched rope of length 20 m is tied from the top of
a vertical pole to the ground. Find the height of the pole if the angle made
by the rope with the ground is 30°.
2
Answers
Answered by
12
Answer:
10 m
Step-by-step explanation:
length of the rope =ac=hypotenuse
sin30=ab/ac
1/2=ab/20
1/2*20=ab
ab=10m
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Answered by
13
Answer:
Height of pole =10m.
Step-by-step explanation:
sin30°=p/h
1/2=AB/AC
1/2=AB/20
AB=10m
•°• Height of pole = 10 m.
View the diagram for detail.
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