Anggap p dan l = q
Luas = p x l
252 = 7q x 4q
252 = 28q²
252 : 28 = q²
9 = q²
√9 = q
3 = q
Panjang → 7 q
= 7 x 3
= 21 cm
Lebar → 4 q
= 4 x 3
= 12 cm
Panjang dan lebar adalah 21 cm dan 12 cm.
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Anggap p dan l = q
Luas = p x l
252 = 7q x 4q
252 = 28q²
252 : 28 = q²
9 = q²
√9 = q
3 = q
Panjang → 7 q
= 7 x 3
= 21 cm
Lebar → 4 q
= 4 x 3
= 12 cm
Panjang dan lebar adalah 21 cm dan 12 cm.