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A = 1475 cm²
p = 59 cm
dit:
l = ......?
penyelesaian
A = p x l
1475 = 59 x l
l =
l = 25 cm
panjang= 59 cm
luas persegi panjang = p x l = 59x...=1.475 cm2
jadi lebaarnya = 1.475 : 59 =25 cm