weputacopperwiretowindaroundthecieclewhosediameteris30cm,justcanbewound12rings,canyouworkoutthelengthofthecopper?iftheperimeterofarectangleandasquareisequal,ifthelengthofthesquareis3.5dm,thelengthofrec
weputacopperwiretowindaroundthecieclewhosediameteris30cm,justcanbewound12rings,canyouworkoutthelengthofthecopper?
iftheperimeterofarectangleandasquareisequal,ifthelengthofthesquareis3.5dm,thelengthofrectangleis5dm,thenhowlongisthewidth?(answerinmeter)
iftheperimeterofasquareis7/2m,use5/8ofitsperimeter,what'stherestmeter?
theperimeterofarectangleis24.8m,thelengthis3timesthanthewidth,what'stheareaofarectangle?
theperimeterofarectangleis24cm,drawasquareonitseveryside,thesumofeverynewsquareis208cm²,what'stheareaoftheoriginalrectangle?