INI BERAPA YA KELILING NYA NO 3 PLSSSSSS DIJAWABBBB BUAT BESOKKKKK
AlFitoIKrzzI
K = 12cm + 18cm + 12cm + 10cm + 16cm K = 58cm
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Elsavira76
K = jumlah semua sisi K = 10 + 16 + 12 + 18 + 12 K = 68 cm L total = L1 + L2 L total = P.l + 1/2 a.t L total = (12x18) + (1/2.18.8) L total = 216 + 72 L total = 288 cm²
K = 58cm