Boys run kites on a cable of 68 meters long. What is the kite altitude if the angle from the horizontal plane is 72°?

Correct answer:

h =  65 m

Step-by-step explanation:

l=68 m sin A = h:l  h=l sin(72° rad)=l sin(72° 180π )=68 sin(72° 1803.1415926 )=65=65 m

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