Angle Measurement

16° is equal to 16 × 10 = 16 × π radians ∕ 180 → 4π radians ∕ 45
Divide 4π radians by 45 and 160 ≈ .2792526803 radians.
If we used (10 ≈ 0.01745329 radians) 0.01745329 × 16 ≈ .27925264 radians.

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