If aed and ced are both right triangles, what triangle congruence could be used to prove that the two triangles are congruent
(hint: it is not hypotenuse leg)

The two triangles are congruent by AAS postulate.

Step-by-step explanation:

From the figure,

°

°

So, °

For the given triangles ,

Therefore, the triangles are congruent by AAS postulate as two angles and one corresponding sides are congruent.

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°