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  1. In circular measure, the value of the angle 11°15' is
    1. πc
      16
    2. πc
      8
    3. πc
      4
    4. πc
      12
Correct Option: A

Using Rule 1,
11°15'

= 11 ° +
15°
60

= 11° +
1
=
45°
4 4

[∵ 180° = π c]
∴
45°
 =
π
 ×
45
 =
πc

4180416


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