CBSE Class 10 Answered
A.P.
Asked by khushal305 | 03 Sep, 2009, 04:31: PM
Expert Answer
Let the angles be a-3d, a-d, a+d, a+3d.
Then,
(a+3d) = 2(a-3d)
a = 9d,
a-3d + a-d + a+d + a+3d = 360
4a = 360,
a = 90,
d = 90/9 = 10,
Hence the angles are, 60, 80, 100, 120.
Regards,
Team,
TopperLearning.
Answered by | 03 Sep, 2009, 11:53: PM
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