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p = 13 cm
K = 13 cm × 4 = 52 cm
L = ( 13 cm )² = 169 cm²
ii).
p = √256 cm² = 16 cm
K = 16 cm × 4 = 64 cm
L = 256 cm²
iii).
p = 68 cm : 4 = 17 cm
K = 68 cm
L =( 17 cm )² = 289 cm²
iv).
p = 5,5 cm
K = 5,5 cm × 4 = 22 cm
L = ( 5,5 cm )² = 30,25 cm²
v).
p = 33 cm : 4 = 8,25 cm
K = 33 cm
L = ( 8,25 cm )² = 68,0625 cm²