Angle Measurement

13⁰15' 11" =
Since there are 60 seconds to 1 minute divide 11 by 60 and add the rounded off decimal results to 15'

13⁰15.183' =
Since there are 60 minutes to 1 degree divide 15.183 by 60 and
add the rounded off decimal results to 13⁰ = 13.25305⁰

Therefore 13⁰15' 11" = 13.25305⁰     As radians 13.25305⁰ = 13.25305 × π radians ∕ 180 = .231309 radians.

Convert 16⁰10' 12" to degrees and then to radians.  answer
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