Question 123499: please help solve:
A student is measuring the height of a tree using its shadow and using indirect measurements. There is a pole next to the tree. Which of the following information is needed to find the height of the tree.
1) lenght of the tree shadow.
2) lenght of the pole shadow.
3) height of the pole.
4) Angle of the sun with the horizon.
5) Distance from the earth to the sun.
6) Distance from the tree to the pole.
7) Diameter of the tree.
8) Diameter of the pole.
I choose the answers 1,3,6,7, is this correct
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! 1,2,3 should be enough to set up a proportion.
If you know trigonometry you could use #4 and #1
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Cheers,
Stan H
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