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Verified answer
A) luas lingkaran = 1/2 x 22/7 x 14 x 14 = 11 x 2 x 14 = 22 x 14 = 308cm^2b) luas trapesium = (10+28)x16/2 = 38x16/2 = 608/2 = 304cm^2
c) luas gab = 304 + 308 = 612 cm^2
d) C