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Suppose that the angle of elevation from a point on level ground
to the top of a pole is 40∘. From another point, 8 meters further
away, the angle of elevation is 30∘. Let x be the distance from the
base of the pole to the nearest point. Then x satisfies which of the
following?
| a) 10 < x < 12 | b) 12 < x < 14 | c) 14 < x < 16 |
| | | | | d) 16 < x < 18 | e) 18 < x < 20 |
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