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UPSC CDS Math Lines and Angles Questions
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© examsnet.com
Question : 15
Total: 16
The complement angle of 80° is
[2015 CDS-I]
18
π
radian
5
π
9
radian
π
18
radian
9
5
π
radian
Validate
Solution:
Complement of
80
°
=
90
°
−
80
°
=
10
°
=
π
180
°
×
10
°
=
π
18
radian
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