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Mathematics 8 Online
OpenStudy (anonymous):

AB is parallel to CD. Angle ACB=angle CBD=90 degrees. Prove that traingle ABC is congruent to traingle DCB

OpenStudy (anonymous):

i made a virtual sketch hope it's the right one |dw:1399619893158:dw|

OpenStudy (anonymous):

according to the inverse of the alternate parallel thm AC parallel to BD |dw:1399620201947:dw|

OpenStudy (anonymous):

so <1=<2 |dw:1399620267115:dw|

OpenStudy (anonymous):

CB is common side |dw:1399620360380:dw|

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