Calculating whether acute / obtuse triangles are congruent

Practice Questions

GMAT Quantitative Reasoning › Calculating whether acute / obtuse triangles are congruent

Questions

Is it true that $\Delta ABC \cong \Delta DEF$ ?

Suppose you want to answer this question, and you know that $\overline{AB} \cong \overline{DE}$ and $\overline{AC} \cong \overline{DF}$ . Which of the following additional facts would help you to answer this question one way or the other?

Altitude

Note: Figure NOT drawn to scale

Refer to the above diagram. Which of the following statements is NOT a consequence of the fact that $\Delta ABX \cong \Delta ACX$ ?

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