Bantu ya guys besok di kmpulkan

144/360° ×50 =
diperkecil 2/5° × 50 = 20 orang (c)

#SEMOGA MEMBANTU

Dik :
Matematika = 128°
IPS = siku2 = 90°
IPA = 360° - (Mat + IPA)
= 360° - 218°
= 142°

Total siswa = 50 org
IPA = 142°/360° × 50
= 19.7 = 20 orang

semoga membantu