Question

Which missing piece of information would allow the triangles in the figure to be proven congruent by AAS?

A) ∠A ≅ ∠A′

B) BC with a line on top ≅ BC with a line on top of it

C) ∠C ≅ ∠C′

D) AC with a line on top of it ≅ AC with a line on top of it

Answer 1

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Answer:

C) ∠C ≅ ∠C′

Explanation:

The figures show a marked angle and side. To use AAS, we need another angle that is not adjacent to the marked side. That angle is C (or C'), so we require ...

∠C ≅ ∠C′