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r = 16 cm : 2
= 8 cm
Luas lingkaran O = . r²
= 3,14 x 8 cm x 8 cm
= 200,96 cm²
diameter lingkaran M = 48 cm
r = 48 cm : 2
= 24 cm
Luas lingkaran M = . r²
= 3,14 x 24 cm x 24 cm
= 1808,64 cm²
Selisih = 1808,64 cm² - 200,96 cm²
= 1607,96 cm²