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Tadatuta · Answer 1 · 2018-08-12T18:05:12+0000

14.a
b²=72²-60²=1584
b=39.8 ft
14.b
∠ABC=arccos(60/72)=33.6°
15. triangle is isosceles. So horisontal distance from the airplane where Erick is situated to his house is 2200 ft (d)

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