R = 9/2 = 4,5 CM
L = (3,14(4,5(4,5)
= (3,14(20,25)
= 63,585 CM²
K = (3,14(9)
= 28,26 CM
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Verified answer
R = 9/2 = 4,5 CM
L = (3,14(4,5(4,5)
= (3,14(20,25)
= 63,585 CM²
K = (3,14(9)
= 28,26 CM