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Keliling 1/2 lingkaran = phi x D x 1/2 = 22/7 x 14 x 1/2 = 22 cm

Keliling bangun = 22 + 25 + 25 + 14 = 86 (B)

Jadi keliling bangun = 86 cm

keliling bangun = 78 + 22 = 100 cm

Opsi A