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Verified answer
R = (1/2) x d = (1/2) x 14 = 7 cmK 1/2 lingkaran = 1/2 (2πr)
K 1/2 lingkaran = πr
K 1/2 lingkaran = (22/7) x 7
K 1/2 lingkaran = 22 cm
jadi keliling bangun adalah
= 2(25) + 2(22)
= 50 + 44
= 94 cm
semoga membantu ^^