L = 2 . ( p.l + p.t + l.t )
= 2 . ( 8 x 3 + 8 x 4 + 3 x 4 )
= 2 . ( 24 + 32 + 12 )
= 2 . 68
= 136 cm² (C)
Ini yaaa. jawabannya C. tadi salah baca soal, maaf ya Allah
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L = 2 . ( p.l + p.t + l.t )
= 2 . ( 8 x 3 + 8 x 4 + 3 x 4 )
= 2 . ( 24 + 32 + 12 )
= 2 . 68
= 136 cm² (C)
Verified answer
Ini yaaa. jawabannya C. tadi salah baca soal, maaf ya Allah