1.

An observer 1.5m tall is 28.5 away from the chimney ,the angle of elevation of the top of the chimney from her eyes is 45 degree,what is height of the chimney​

Answer»

Answer:

30m

Step-by-step explanation:

tan (45) = \frac{x}{28.5}

tan(45) = 1

1 x 28.5 = 28.5

28.5 + 1.5 = 30m

you ADD the height from the TOP of the OBSERVER PLUS the observer's height



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