Question:(1) 16
We know that П radian = 180°
11
11
So, 16 radian = (180 п) x (16) degree
= (45 × 11) ÷ (п × 4) degree
= (45 × 11 × 7) (22 × 4) degree = X
315
degree
=
3
= 38 degree
= 39° + {(3 × 60) ÷ 8} minutes
[Since 1° = 60']
=
39° 22' + 2 minutes
= 39° 22' 30"
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