K = 34 cm
Misal lebar = x
panjang = 5 + x
X + 5 + X = 34
2X + 5 = 34
2X = 34-5
X = 29/2
X = 14,5 cm (lebar)
Panjang: 5 + 14,5 = 19,5 cm
Luas persegi panjang = P × L
= 19,5 × 14,5
= 282,75 cm
maaf kalo salah
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K = 34 cm
Misal lebar = x
panjang = 5 + x
X + 5 + X = 34
2X + 5 = 34
2X = 34-5
X = 29/2
X = 14,5 cm (lebar)
Panjang: 5 + 14,5 = 19,5 cm
Luas persegi panjang = P × L
= 19,5 × 14,5
= 282,75 cm
maaf kalo salah