Hai kakak-kakak! Tolong bantu jawab ya! No 41, 43, dan 44. Terima kasih
43.180:5=36 jadi y 36
X=90
41) 6×4+ 4×5 + 2×4 + 2× 13 = 78 (c)
43) 180 = 5y
36. = y
3y = 108
x = 180-108 = 72
x + y = 36 + 72 = 108 (d)
44) ABD = 28
BCA = 180-90-28= 62 (c)