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EF = 8 . 7 + 14 . 3
10
= 56+42 : 10 = 9,8
maaf no 32nya kurang jelas
6/20 = 8/x+8
20 x 8 = 48+6x
160-48 = 6x
112 = 6x
18,6 = x
jadi panjang ad = c. 18 3/5 cm
33. b. 9,8 cm
maaf no 33 bingung mau njelasinnya
maaf kalo salah