diketahui luas balok 348 cm². Jika tinggi balok 4 cm, dan lebar 6 cm .Tentukan panjang balok tersebut!!
pake caranya, diketahui, ditanya,sama Jawab!!
pake caranya, diketahui, ditanya,sama Jawab!!
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Verified answer
Jawab:
15 cm
Penjelasan dengan langkah-langkah:
Diketahui =
L = 348 cm^2
t = 4 cm
l = 6 cm
Ditanya = p=.......?
jawab =
L = 2 ( pl + lt + pt )
348 = 2 ( (p.6) + (6.4) + (p.4)
348 = 2 ( 6p + 24 + 4p )
348/2 = ( 10p + 24 )
174 = 10p + 24
174 - 24 = 10p
150 = 10p
p = 150/10
p = 15