求各图的周长和面积(单位:米).P+H;C8P9Z-T(w9W/w/N,X
.P+H;C8P9Z-T(w9W/w/N,X
算式:提示'q+Q*H(^({8u5S*};H.P+H;C8P9Z-T(w9W/w/N,X
答:周长是.W7m;q米、面积是/r,c;n9F9`平方米。.P+H;C8P9Z-T(w9W/w/N,X
算式:提示/P2i6e.e.P+H;C8P9Z-T(w9W/w/N,X
答:周长是/|1W5A0g,_6F2y(O.[米、面积是;a3t0l5{0W6U;S/t1o;_平方米。.P+H;C8P9Z-T(w9W/w/N,X
算式:提示:f*q'u*N)|(P(?/b6x.P+H;C8P9Z-T(w9W/w/N,X
答:周长是:j/[;w)t*A1J5}7Y(R0C4]1[2M+h4l米、面积是3l,|,G-e-?3|7E0]4U+O)|6t-o平方米。.P+H;C8P9Z-T(w9W/w/N,X