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The Brainliest Answer!
  • Brainly User
2014-02-27T17:42:59+05:30
Let AP be the building  .
and CD be the window. of height 10 m.
in triangle CPD
 tan 30 = 10 /bb = 10 root3 m
.in triangle DAP,tan 60 = x / 10 root3
30 = xthe height of the building is 30 m.
HOPE THIS HELPS..
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