konversikan satuan satuan sudut berikut: a. 45°=...radian b. 270rpm=... rad/s

180° = 2π rad

45° = ___ rad
= 45° × (2π/180°)
= ½ π rad ✔️


270 rpm = ___ rad/s
= 270/60 = 9/2 Hz
= 9/2 × 2π
= 9π rad/s ✔️