panjang sisi
=√luas
=√81
=9 cm
pita yang dibutuhkan
=4 . sisi
=4 . 9
=36 cm
S = 9 × 9
S = 81
K = 4 ×S
K = 4×9
K= 36 (b=
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panjang sisi
=√luas
=√81
=9 cm
pita yang dibutuhkan
=4 . sisi
=4 . 9
=36 cm
S = 9 × 9
S = 81
K = 4 ×S
K = 4×9
K= 36 (b=