Convert 40°20\' into radian measure

1.	Convert 40°20\' into radian measure
Answer» 40 degrees 20 minutes1 degree = 60 minutes\xa01 degree = 60\'⇒ 40 degree 20\'⇒ 40 degree + 20\'⇒ 40° + 20°/60⇒ 40° + 1°/3\xa0⇒ (120 + 1)°/3⇒ 121°/3We know that Radian measure =\xa0πdegree measure/180⇒ (22121)/(71803)⇒ 2662/3780= 0.704 radians

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