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44 cm = 2 x 22 x r
7
308 cm = 22 x 2 x r
308 cm = 44r
r = 308 cm
44
r = 7 cm
Luas = π r²
= 22 x 7 x 7
7
= 22 x 7
= 154 cm²
44 =
l.lingkaran=
= 3. 14 x 22^2
= 3.14 x 484
= 1519,76 cm^2
MAAF kalau salah!!!