A 20meter line is used to tether a helium-filled balloon. the line makes an angle w/ the ground?

Question

A) Use a trigonmetic function to write an equation involing the unknown quantity.
B) What is the height of the balloon?

Answer 1

Imagine that the balloon is tethered at the origin. Then the balloon can swing from, say, 0 -> 180 degrees.
If the angle of the balloon's string to the ground is t (I don't know how to make the Greek letter theta so I used t), then
A) sin(t) = y/20 where y is the height above the ground of the balloon; then y = (20m)sin(t)
B) see above

Answer 2

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