Minta bantuannya kaka aku kasi 10 poin nih

Usaha total = Luas grafik
W = Luas trapesium - luas segitiga
W = 1/2.(a + b).t - 1/2.a.t
W = 1/2.(8 + 6).6 - 1/2.5.2
W = 1/2.(14).6 - 1/2.10
W = 42 - 5
w = 37 J