On the pedestal, high 4 m is a statue 2.7 m high. At what distance from the statue must the observer stand to see it at the maximum viewing angle? Distance from the eye of the observer from the ground is 1.7 m.

Correct answer:

x =  3.39 m

Step-by-step explanation:

α(x)=arctanx4+2.71.7arctanx41.7 α(x)=arctanx5arctanx2.3  α(x)=x2+255+x2+5.292.3  α(x)=0  x2+255=x2+5.292.3  x=52.3=3.39 m

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