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11. A person stands at a window on the 9th floor of an office building. He measures the angle of
elevation to be 25 and the a

By Amelia

11. A person stands at a window on the 9th floor of an office building. He measures the angle of
elevation to be 25 and the angle of depression to be 36 of the top and the base of a tower
The person knows that he made the measurements 40 m above the ground. Determine the
height of the tower to the nearest tenth of a metre.?​

About the author
Amelia

5/5/2021: –
.
3. Write the following rational numbers in decimal)
form:-
1) 42
100
​

11
A circular cone is cut by a plane parallel to the base and the conical portion is removed
15
in the curved surfa

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