Write the actual length of your shadow
Answers
Determine the Length of a Shadow:-
Determining the length of a small shadow on a surface is as easy as using a measuring tape or yardstick to measure the shadow. But for larger objects, such as a tall building, determining the length of the shadow is a little more difficult. It is not always practical to manually measure a shadow’s length. But if the height of the object casting the shadow you want to measure is known, you can use a formula to determine the length of the shadow. A shadow's length varies depending upon the angle of the light source.
Rewrite the following formula with the numerical equivalents: Object Height / tan θ = Shadow Length. For example, for the 790-foot high Prudential Tower in Boston, the formula would be 790 / 2.89 = Shadow Length.
Calculate the formula to determine the shadow length. For example: 790 / 2.89 = 273.36 feet. Because the height of the Prudential tower was given in feet, the calculated length of the shadow is also in feet. In this example, it is learned that the length of the shadow cast by the 790-foot high Prudential Tower in Boston on June 21, 2011, at noon is approximately 273.36 feet.
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