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A kite is flying at an angle of elevation of about 40 degrees. all 80 m of string have been let out. ignoring the sag in the string, find the height of the kite to the nearest 10 m.
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Aug 13, 2018
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A kite is flying at an angle of elevation of about 40 degrees. all 80 m of string have been let out. ignoring the sag in the string, find the height of the kite to the nearest 10 m.
Mathematics
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Fredster
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sin 40° = h / 80 m
0.6427876 = h / 80 m
h = 0.6427876 · 80 m
h = 51.423 m ≈
50 m
( to the nearest 10 m )
Answer:
The height of the kite is about 50 m.
Novellizator
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Aug 17, 2018
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