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Exercise for SSS, SAS, ASA, agreed

Enough to be sure

Which of the following, if true, guarantees that the two triangles described are congruent?

Your answerTwo triangles share two equal sides and one equal angle, but the equal angle sits opposite one of the two equal sides, not between them: guaranteed congruentTwo triangles share all three equal angles, but no side is known to match: guaranteed congruentTwo triangles share two equal angles and the equal side between them: guaranteed congruentNone of the above guarantees congruence

Correct.This lesson is now marked done.

Back to the lesson · Next lesson: A triangle with two equal sides has two equal angles →

Not quite.Try again, or ask for a hint.

Check each option against the agreed list (SSS, SAS, ASA), not against whether it sounds like enough information. For the angle-only option, ask whether matching shape also has to mean matching size.

Getting it wrong does not hold you back.Move on to the next lesson: A triangle with two equal sides has two equal angles →

Algebra and geometry you can move.