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A fighter plane observes a target on the ground with an angle of depression of 21 degrees. The target is 3.5 miles away along a direct line of sight. How high is the fighter plane? Round to hundredths.

Please help!

3 answers

h/3.5 = sin 21°

so you'd take sin or 21 and then multiply that by 3.5, to get h, right?
I did that and I got 1.25 when rounded. Is that right?

That's what I get. Good work.

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