caleighpeters
29.07.2019 •
Mathematics
From an airplane at an altitude of 1200m the angle of depression to a rock on the ground measures 28. find the distance from the plane to the rock
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Ответ:
thus
sin θ=opposite/hypotenuse
θ=28°
opposite=1200m
hypotenuse=h
thus
sin 28=1200/h
h=1200/sin 28
h=2556.065 m
Ответ:
First you multiply them like normal numbers
24
x
62
48
+
1440
1488
then you notice that the decimal point was moved over two, then you do that to your answer
1488.0=1488
1488.0
148.80
14.88