Tolong dijawab ya . pliss.... Question from @ekomatiningsih

October 2018 2 43 Report

Tolong dijawab ya . pliss

fakhrihr19 L:P X L
L:28CM X 15CM
L:420CM persegi.

1 votes Thanks 0

nabilaputriariana Lp balok= 2 x [(p x l )+(p x t)+(l x t)]
2 x [(28 x 10)+(28 x 15)+(10 x 15)]
2 x (280 + 420 + 150)
2 x 850=1.700 cm

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