The angles of depression of the top and bottom of a 20m high building from the top of a multi-storeyed - Maths - Some Applications of Trigonometry

Question

T h e   a n g l e s   o f   d e p r e s s i o n
  o f   t h e   t o p   a n d   b o t t o
m   o f   a   20 m   h i g h   b u i l d i
n g   f r o m   t h e   t o p   o f   a
  m u l t i - s t o r e y e d   b u i l d i n g   a
r e   30 °   a n d   45 °   r e s p e c
t i v e l y   F i n d   t h e   h e i g h t   o
f   t h e   m u l t i - s t o r e y e d   b u l d i
n g   ( 3 = 1 732 )

Lovina Kansal · Accepted Answer

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