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> 如图,C是线段AB上一点,M是线段AC的中点,若AB=8cm,BC=2cm,则MC的长是()A.2cmB.3cmC.4cmD.6cm-数学
如图,C是线段AB上一点,M是线段AC的中点,若AB=8cm,BC=2cm,则MC的长是()A.2cmB.3cmC.4cmD.6cm-数学
题目简介
如图,C是线段AB上一点,M是线段AC的中点,若AB=8cm,BC=2cm,则MC的长是()A.2cmB.3cmC.4cmD.6cm-数学
题目详情
如图,C是线段AB上一点,M是线段AC的中点,若AB=8cm,BC=2cm,则MC的长是( )
A.2cm
B.3cm
C.4cm
D.6cm
题型:单选题
难度:中档
来源:不详
答案
由图形可知AC=AB-BC=8-2=6cm,
∵M是线段AC的中点,
∴MC=
class="stub"1
2
AC=3cm.
故MC的长为3cm.
故选B.
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题目简介
如图,C是线段AB上一点,M是线段AC的中点,若AB=8cm,BC=2cm,则MC的长是()A.2cmB.3cmC.4cmD.6cm-数学
题目详情
答案
∵M是线段AC的中点,
∴MC=
故MC的长为3cm.
故选B.