(1)长方形周长:38,宽:4,长:
(2)长方形周长:30,宽:6,长:
(3)长方形周长:74,长:20,宽:
(4)长方形周长:46,长:12,宽:
(5)长方形周长:36,长:15,宽:
(6)长方形周长:50,长:15,宽:
(7)长方形周长:52,长:15,宽:
(8)正方形周长:36,边长:
(1)长方形周长:38,宽:4,长:
(2)长方形周长:30,宽:6,长:
(3)长方形周长:74,长:20,宽:
(4)长方形周长:46,长:12,宽:
(5)长方形周长:36,长:15,宽:
(6)长方形周长:50,长:15,宽:
(7)长方形周长:52,长:15,宽:
(8)正方形周长:36,边长: