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25.
= 108
= 108
9t = 108
t = 108/9 = 12
(14 - 4) ÷ 2 = 5
phitagoras.
5,12, 13
kaki trapesium = 13m
keliling = 13 + 13 + 4 + 14 = 44m
44m x 3lilitan = 132 m