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luas persegi - (1/2 x luas lingkaran)=
14x14- (1/2 x 22/7 x 7 x 7)=
196- 77= 119cm kuadrat
bag B
luas persegi - luas lingkaran=
10x10- 22/7 x 5 x5=
100- 22x25/7=
700/7 - 550/7=
150/7
l persegi = s²
= 7²
=49
l lingkaran = phi x r²
= 22/7 x 7²
= 196
l yg diarsir = 196 - 49
= 147
kalok gk salah.