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9966 [12]
3 years ago
14

Find the length of the lamppost to the nearest inch.

Mathematics
1 answer:
olganol [36]3 years ago
5 0

Answer:

109 inch

Step-by-step explanation:

we know that

tan\theta=\frac{Perp}{Base} \\\theta=70\\Base=40 in

So,

tan(70)=\frac{Perp}{40} \\\\2.747=\frac{Perp}{40} \\\\2.747\times40=Perp\\\\Perp=109\quad in

So, length of lamppost is 109 inch

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