Question

3. At a point on the ground distant 15 m from its foot, the angle of elevation of the top of
the first storey is 30°. How high the second storey will be, if the angle of elevation of
the top of the second storey at the same point is, 45°?
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Answer 1

I think this answer might help you.

y is approximately 6.33975...

Answer 2

Answer:6.34

Step-by-step explanation:

not needed