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Verified answer
¶ Luas Persegi = 12 x 12 cm = 144 cm²¶ Luas ¼ Lingkaran = ¼ πr² = ¼ (3,14)(12)² = 113,04 cm²
¶ Luas segitiga = ½ (alas x tinggi) = ½ (12x12) = 72 cm²
Maka luas daerah arsir adalah
= Luas ¼ lingkaran - luas segitiga
= 113,04 - 72
= 41,04 cm²