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diameter = 14cm
jari jari = 7cm
luas lingkaran = 2 x π x r x r = 2 x x 7cm x 7cm
= 308 cm²
sisi persegi = 14 cm
luas = s x s = 14cm x 14cm = 196 cm²
luas seluruh bangun tersbt = l. lingkaran + l. persegi = 308cm² + 196cm²
= 504 cm²