A person 6 feet tall is standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. HOw high above the ground is the light bulb?
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A person 6 feet tall is standing near a street light so that he is 4/10 of the distance from the pole to the tip of his shadow. HOw high above the ground is the light bulb?
Similar triangles:Quote:
Originally Posted by ^_^Engineer_Adam^_^
let the height of the light bulb be h, and the distance from the pole to the
tip of his shaddow be D. Then:
h/D = 6/(6/10 D),
so:
h = 10 feet.
RonL
