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Deductive Proofs

Interactive practice questions

Prove that $x$x= $y$y.

Easy
3min

In the diagram, $POQ$POQ is a straight line, with $PO$PO bisecting $\angle SOR$SOR.

Easy
5min

In the diagram, $AB$AB//$EF$EF//$CD$CD.

Easy
4min

In the diagram, $CD\parallel EF$CDEF and $GH\parallel DJ$GHDJ.

Medium
5min
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