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=pxl + 1/2xphixr^2
=10x7 +1/2 x 22/7 x 7/2 x 7/2
=70 + 19,25
=89,25 cm^2
L = p x l
10 x 7
= 70 cm ²
1/2 LINGKARAN
L = π x r x r
3,14 x 3,5 x 3,5
= 38 ,465 : 2
=19,2325 cm²
luas persegi panjang + luas 1/2 lingkaran = 89,2325