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An observer at O views a spire 10 ft tall, at the top of a church tower. The elevation angles subtended by the top
and the bottom of the spire are as shown in the diagram
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What is the relation between "H" and "d"?
1.H=d
2. H= d tan 45°
3. H= d tan 49°

An observer at O views a spire 10 ft tall at the top of a church tower The elevation angles subtended by the top and the bottom of the spire are as shown in the class=

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