basket = 90° = 15
tenis = (360-90-80-70) = 120°
120/90 . 15= 20
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Verified answer
basket = 90° = 15
tenis = (360-90-80-70) = 120°
120/90 . 15= 20
Basket = sudut siku-siku = 90° = 15 orang
90° : 15 = 6°
artinya setiap 6° = 1 orang
Besar derajat untuk tenis
= 360° - 90° - 70° - 80°
= 120°
Maka banyak siswa yang menyukai tenis
= 120° : 6°
= 20 orang
Jawaban : B