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12 x 15
180 cm persegi
K = 2(p+l)
2(12+15)
2(27)
54 cm
Lebar = 15 cm
Luas= pxl
= 12x15
=180 cm².
Keliling= 2 (p+l)
= 2 (12+15)
= 2 (27)
= 54 cm.
"Mohon jadikan jwaban yg terbaik ya,,,,"