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p= l + 3
k = 2p + 2l
34 = 2( l + 3 ) + 2l
34 = 2l + 6 + 2l
34 = 4l + 6
34 - 6 = 4l
28 = 4l
28/4 = l
7 = l
p = l + 3
p = 7 + 3
p = 10
34 =2 (3 + l + l)
34 = 6 x 4l
Panjang dan lebar :
34 = 6 x 4l
34-6 = 4l
28 = 4l
7 = l
p = l + 3
= 7 + 3
= 10