A survey found that 28% of 8th graders have an iPhone. Using that information,predict how many of 358 7th graders have an iPhone
1 answer:
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Answer:
The shadow length is 125 inches.
Step-by-step explanation:
The triangle that the sun's rays and the fence post form is shown in the figure.
From trigonometry we know that is the ratio of the opposite <em>(72-in fence)</em> to the adjacent side
of the triangle <em>(the shadow length): </em>
<em /><em />
since
<em /><em />
we have
<em /><em />
solving for we get:
Hence, the length of the shadow to the nearest inch is 125 inches.
