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24 . 2p-13+p-23=180
2p+p=180+23+13
3p=216
p=216:3=72
jadi sudut n adalah 72-23=49
maaf kalo salah semoga membantu
EF/7 = 6/6
EF = (6.7):6 = 42:6 =7 cm (D)
24) 2p-13 + p-23 = 180
2p+p-13-23 = 180
3p-36 = 180
3p = 180+36
3p = 216 ------>> p = 216/3 = 72
jadi, sudut N = p-23 = 72-23 = 49˚(A)