Tolong ya kak,,,,pakai caranya
9) busur AB = 105°/360° x2x 22/7 x 12
= 22 cm
10)LuasOPQ= 60°/360° x22/7 x 21×21
= 231 cm²
11) sudut COD= 54/18 x50°
= 150°
Tolong ya kak,,,,pakai caranya
9) busur AB = 105°/360° x2x 22/7 x 12
= 22 cm
10)LuasOPQ= 60°/360° x22/7 x 21×21
= 231 cm²
11) sudut COD= 54/18 x50°
= 150°