the angles of a quadrilateral are in AP whose common difference is 10degree.find the angles.
Asked by riyaliz | 22nd Jul, 2008, 10:36: PM
Expert Answer:
let the angles of the quadrilateral be X , X+10 . X+20 ,X+30
the sum of the angles of the quadrilateral = 360 degrees
X+ X+ 10 + X+20 +X +30 = 360
====> 4X +60 = 360
==>4X = 360 - 60 = 300
====> X = 75
The angles of the quadrilateral are 75, 85, 95, 105 degrees
Answered by | 23rd Jul, 2008, 03:57: PM
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