直角三角形两直角边边长分别为6cm和8cm，则连接这两条直角边中点的

直角三角形两直角边边长分别为6cm和8cm，则连接这两条直角边中点的线段长为( )

A．10cm B．3cm C．4cm D．5cm

答案

D；

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直角三角形两直角边边长分别为6cm和8cm，则连接这两条直角边中点的

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