a. d = 10 , K = π x d = 3,14 x 10 = 31,4 cm
b. d = 14, K = π x d = 3,14 x 14 = 43, 96 cm
c. r = 7, K = 2 π x r = 2 x 3,14 x 7 = 43, 98 cm
d. r = 12, K = 2 π x r = 2 x 3,14 x 12 = 75,36 cm
a. d = 10 , K = π x d = 3,14 x 10 = 31,4 cm
b. d = 14, K = π x d = 3,14 x 14 = 43, 96 cm
c. r = 7, K = 2 π x r = 2 x 3,14 x 7 = 43, 98 cm
d. r = 12, K = 2 π x r = 2 x 3,14 x 12 = 75,36 cm