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Question Number 78427 by Chi Mes Try last updated on 17/Jan/20
pleaseineediturgentlyshowthatthemidpointofthehypotenuseofarighttriangleisequidistantfromitsvertices
Answered by MJS last updated on 17/Jan/20
easy:anyrightangledtriangleishalfarectangle.anyrectanglehasacircumcirclewithcenterattheintersectionofthediagonals⇒⇒theverticeshavethesamedistancefromthecenter
Answered by $@ty@m123 last updated on 17/Jan/20
Let△ABCisrightangledatB.LetDbethemidpointofAC.DrawDE⊥BC⇒DE∥AB.ConverseofmidpointtheoremimpliesthatEismidpointofBC.Nowin△DBE,DB2=DE2+EB2DB2=(AB2)2+(BC2)2DB2=(AB2+BC24)=AC24⇒DB=AC2⇒DB=AD=DCHencetheresult.
Commented by $@ty@m123 last updated on 17/Jan/20
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