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pitagoras 5,12 pasti 13
jadi sudah ketemu panjang depan sudut 90 = 13 cm
luas depan 22x13 =286 cm²
luas bawah 5x12=60 cm²
luas belakang 12x22=264 cm²
luas depan+luas bawah+luas belakang= 286+60+264= 610 cm²