Chance the pilot of a boeing 727 flew e plane so it took off at an angle of elevation 21 degrees. after flying one kilometer, what is the altitude (height) of the plane that chance was flying rounded to the nearest meter? (1 km= 1000 meters) ​

4th option is correct xy=-10

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step-by-step explanation:

a is the correct

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step-by-step explanation:

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~courtney