A house subtends a right angle at the window of an opposite house and the angle of elevation of the window from the bottom of the first house is . If the distance between the two houses is meter, then the height of the first house is
Step1. Draw the diagram :
Step2. Find the height of the first house :
From the figure,
In
We have
meter
meter
So, the height of the first house
meter
Hence, the correct option is (A).