Height, shadow (horizontal distance) and angle of elevation: find the missing one with tan

1. A.
   1000
2. B.
   936
3. C.
   1732
4. D.
   1542

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1. A.
   $30^\circ$
2. B.
   $45^\circ$
3. C.
   $60^\circ$
4. D.
   $75^\circ$

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1. A.
   50 m
2. B.
   40 m
3. C.
   20 m
4. D.
   10 m

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1. A.
   10m
2. B.
   20m
3. C.
   $20\sqrt{3}$ m
4. D.
   $10\sqrt{3}$ m

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