It is believed that the best angle to fly a kite is 45 . If you fly a kite at this angle, and let out 225 feet of string, approximately how high above the ground will the kite be?
A right triangle is formed, where the hypotenuse is the length of the string, and the angle of that string to the ground being 45°. The side opposite the 45° angle is the height of the kite above the ground.
opposite  = sine of an angle hypotenuse x  = sin 45° 225 x  ≈ 0.707107.... {evaluated sine of 45°} 225 x ≈ 159.1 {multiplied each side by 225} The height of the kite off the ground is approximately 159.1 ft. Ask Algebra House
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