Liahatlah tangannya hampir patah karena memencet like trllu bnyk._.

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soal:
p : 8
l : 4
t : 7
ditanya:
luas permukaan??..​

Liahatlah tangannya hampir patah karena memencet like trllu bnyk._.

Liahatlah tangannya hampir patah karena memencet like trllu bnyk._.

Diket:

p = 8 cm

l = 4 cm

t = 7 cm

Ditanya: Lp?

Jawab:

Lp = 2 × ((p × l) + (p × t) + (l × t))

= 2 × ((8 × 4) + (8 × 7) + (4 × 7))

= 2 × (32 + 56 + 28)

= 2 × 116

= 232 cm²

blue{by. : anko}

  • lp = 2 × ( pl + pt + lt )
  • lp = 2 × ( 8 . 4 + 8 . 7 + 4 . 7 )
  • lp = 2 × ( 32 + 56 + 28 )
  • lp = 2 × 116
  • lp = 232 satuan luas persegi panjang

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