panjang persegi panjang = 8-1 =7
lebar persegi panjang = 6-1 =5
a. Keliling persegi panjang =(p+l)×2= (7+5)×2 = 12×2 = 24cm
b. luas parsegi panjang = p×l = 7×5 = 35 cm2
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Verified answer
panjang persegi panjang = 8-1 =7
lebar persegi panjang = 6-1 =5
a. Keliling persegi panjang =(p+l)×2= (7+5)×2 = 12×2 = 24cm
b. luas parsegi panjang = p×l = 7×5 = 35 cm2