Question
Question: If angles of a quadrilateral are in A.P. whose common Difference = 10<sup>0</sup> , then angle of qu...
If angles of a quadrilateral are in A.P. whose common Difference = 100 , then angle of quadrilateral are –
A
650, 850, 950, 1050
B
750, 850, 950, 1050
C
650, 750, 850, 950
D
650, 950, 1050, 1150
Answer
650, 850, 950, 1050
Explanation
Solution
a – 3d, a – d, a + d, a + 3d be angles of quad.
2d = 100 (given) d = 50
a – 150, a – 50, a + 50, a + 150 are angles
\ sum = 4a = 3600
a = 900 ̃ 90 – 15, 90 – 5, 90 + 5, 90 + 15
750, 850, 950, 1050