A HOUSE OF 100M SUBTENDS A RIGHT ANGLE AT WINDOW OF AN OPPOSITE SIDE .IF THE HEIGHT OF WINDOW IS 64 M THEN DISTANCE BETWEEN TWO HOUSES IS?

Hello student,
Please find the answer to your qustion below
GivenA HOUSE OF 100M SUBTENDS A RIGHT ANGLE AT WINDOW OF AN OPPOSITE SIDE.
HEIGHT OF WINDOW IS 64 M
So From the figure
tan=(36/x)........(1)
And tan (90-)=(64/x).....(2)
Multiplying 1 and 2 we get
x²=64*36
So x=48m