K 1/2 lingkaran
K = 1/2 x π x d + d
K = 1/2 x 22/7 x 14 + 14
K = 11 x 2 + 14
K = 22 + 14
K = 36 cm
K daerah diarsir
K = 1/2 x π x d
K = 1/2 x 22/7 x 14
K = 11 x 2
K = 22 cm
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K 1/2 lingkaran
K = 1/2 x π x d + d
K = 1/2 x 22/7 x 14 + 14
K = 11 x 2 + 14
K = 22 + 14
K = 36 cm
K daerah diarsir
K = 1/2 x π x d
K = 1/2 x 22/7 x 14
K = 11 x 2
K = 22 cm