Jawabanmu

2014-01-11T15:43:19+07:00
Dik : K ladang = 81 m P:l = 5:4 P = 5/5+4 x 81 : 2 = 5/9 x 81 = 45/2 = 22,5 m L = 4/5+4 x 81 :2 = 4/9 x 81 = 36/2 = 18 m Maka, L = 22,5 x 18 = 405 m2
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