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Verified answer
L persegi panjang = p x l = 30 x 16 = 480L setengah lingkaran
= 1/2 x phi x r kuadrat
= 1/2 x 3,14 x 8 x 8
= 1/2 x 3,14 x 64
= 3,14 x 32 = 100,48
l persegi panjang + l setengah lingkaran = 480+100,48 = 580,48
=30×16
=480
Luas 1/2lingkaran=phi×r×r
=1/2×3,14×8×8
=25,12×4
=100,48
Luas gabungan=luas persegi+luas 1/2 lingkara=480+100,48
=580,48 opsi C
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