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p = 8 1/6 cm
= 49/6 cm
l = 7 2/4
= 30/4
Dijawab :
K = 2(p +l)
= 2(49/6 +30/4)
= 2(98/12 +90/12)
= 2(188/12)
= 376/12
= 31 4/12
= 31 1/3 cm
Itu jawabannya.
= 2(49/6 + 30/4)
= 2 (98/12 + 90/12)
= 2 X188/12
= 31,34 cm