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⇔ 1/4 x 1/4 = 1/16
Luas arsir = 1/16 x π x r x r
= 1/16 x 22/7 x 56 x 56
= 616 cm²
luas seluruh bangun adalah 1/4 luas lingkaran = 1/4. π r² = 1/4. 22/7.56.56 = 2426
jadi luas daerah yg diarsir = 1/4x2426 = 616