A balloon is flying at the end of a 170-m length of string, which is anchored to the ground. The angle of inclination of the string is 50. Calculate the height of the balloon relative to the ground, to the nearest metre.

Elementary Geometry for College Students
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Author:Daniel C. Alexander, Geralyn M. Koeberlein
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Chapter8: Areas Of Polygons And Circles
Section8.5: More Area Relationships In The Circle
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A balloon is flying at the end of a 170-m length of string, which is anchored to the ground. The

angle of inclination of the string is 50. Calculate the height of the balloon relative to the ground,

to the nearest metre.

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