1.12×12=144
2.rumus mencari luas lingkaran=1/4×3,14×jari jari×jari
=144+113,04
=257,04cm^2
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1/4πrr + s×s
=1/4 . 3,14 . 12.12+(12×12)
= 113,04+144
=257,04 cm*2(D)
1.12×12=144
2.rumus mencari luas lingkaran=1/4×3,14×jari jari×jari
=144+113,04
=257,04cm^2
semoga membantu