Supplementary units (radian, steradian)
Systems of units · Physics
Study notes
A circle has radius 10 cm. An arc of 15 cm subtends what angle in radians and degrees? θ = arc/radius = 15/10 = 1.5 rad In degrees: 1.5 × (180/π) = 1.5 × 57.3 = 86°
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Systems of units · Physics
A circle has radius 10 cm. An arc of 15 cm subtends what angle in radians and degrees? θ = arc/radius = 15/10 = 1.5 rad In degrees: 1.5 × (180/π) = 1.5 × 57.3 = 86°