Diagram
Step {{ state.step }} of 4
Tap the sides to mark them
Mark the Given
Read the given information and tap the diagram to mark the congruent parts.
{{ currentScenario.step1.prompt }}
{{ getTargetName(target) }}
Find the Hidden Clue
We need one more pair of congruent parts! Look at the diagram. What is implicitly true?
{{ currentScenario.step2.prompt }}
Choose the Postulate
Based on your markings, which postulate proves the triangles are congruent?
Build the Proof
Drag the correct reasons to complete the formal proof.
Statement
Reason
{{ row.statement }}
{{ row.reason }}
{{ state.proofAnswers[i] }}
Drop here
{{ opt }}
Proof Complete!
You successfully logically proved the triangles are congruent. Great job!