Question

From a point 50 m away from the base of a multistoreyed building, the angle of elevation of the first floor is found to be 30 and the angle of elevation of the fifteenth floor is found to be 60. What is the distance between the first floor and the fifteenth floor ?
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Answer 1

1. Trigonometric Ratio: Consider a right-angle triangle ABC, right-angled at ‘B’.

AC -Hypotenuse.

BC - Base

AC - Perpendicular.

AC - Perpendicular.

2. Trigonometric ratios table.

Step 1 of 4

Draw a triangle for the given statement.

Let AB be the tower and BC is the distance between the observer and foot of the tower.

Explanation:

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