来自刘洪卫的问题
第,一条;;Itisgiventhatthescaleofamapis1:250000.Itthelengthofarailwaylineonthemapis121cm,finditsactuallengthinkm第二条;;thefigureshowsascaledrawingofapyramid.(a)Expressthescaleinthefram1cm:nmm(B)Ifth
第,一条;;
Itisgiventhatthescaleofamapis1:250000.Itthelengthofarailwaylineonthemapis121cm,finditsactuallengthinkm
第二条;;
thefigureshowsascaledrawingofapyramid.
(a)Expressthescaleinthefram1cm:nmm
(B)Iftheheightofthepyramidinthedrawingis2.5cm,
whatisitsactualhight?
第三条;;
Thescaleofamapis1:20000.Ifthelrgthandthewidthofrectangularparkonthemapare4.5cmand2.8cmrespectively,findtheactualareaoftheparkinkm2.
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2020-05-10 14:07