Geometry
Hong Kong
Stage 1 - Stage 3
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, $CD\parallel EF$CD∥EF and $GH\parallel DJ$GH∥DJ.
Medium
5min
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