| 6. |
The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is: |
| A. |
30º |
B. |
45º |
| C. |
60º |
D. |
90º |
Answer: Option A
Explanation:
Let AB be the tree and AC be its shadow.
Let  ACB =  .
| Then, |
AC |
= |
3  cot = 3 |
| AB |
 = 30º.
|
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