mohon di bantu kakak

mtk = 360° - (100° - 30° - 90°)
mtk = 360° - 220° =140°
mtk = 540 x 140°/360°= d.210 orang
maaf klw salah:)

dik:
jumlah anak=540 anak
b. indo =100°
ips= 30°
ipa= 90°
(satu lingkaran penuh=360°)

dit:
mtk=...°

mtk= 360°- (100°+30°+90°)
mtk=360°-220°
mtk=140°

anak yang suka mtk
= 140°/360° × 540
= 210 anak (D)