4. The angles of a quadrilateral are in AP whose common difference is 10 ⁸
Find the angles.
++Find the vol ff...:++
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Explanation:
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
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