Asked by williams

when an airplane is 800m above the ground its angle of elevation from a point p on ground is 30°.How far is the plane from p by line of sight
Answered by Anonymous
sin30 = opposite which is height / hypotenuse which is line of sight distance
but we all know sin 30 = 1/2
so
2 times 800
Answered by Adeoye victor
answer
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