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Middle Years

9.04 Congruent triangle proofs

Interactive practice questions

Prove that $\triangle KLN$KLN and $\triangle MNL$MNL are congruent.

Show all working and reasoning.

Easy
5min

In the diagram below, $PR=SR$PR=SR.

Prove that $\triangle PQR$PQR and $\triangle STR$STR are congruent.

Easy
4min

Prove that $\triangle ABD$ABD and $\triangle CBD$CBD are congruent.

Medium
2min

Prove that $\triangle DEC$DEC and $\triangle FEG$FEG are congruent.

Medium
2min
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