Geometry Triangles Mixed Review

Determine if the two triangles are congruent. If they are congruent, choose the best method for proving congruence.

Determine if the two triangles are congruent. If they are congruent, choose the best method for proving congruence.

In the diagram, DC is the perpendicular bisector of AB and CE is the angle bisector of

Find the measure of ∠ACD. 

If  ABC ~  DEF and  DEF ~  GHI, then ______.

Which transformation maps ∆ HEN  to ∆ H'E'N' ?

Which Scale Factor below results in an image SMALLER than the original figure?

Apply a dilation with a scale factor of ½ to triangle ABC. Let the image be triangle A’B’C’. Which one of the following equations is true?

Choose the letter that represents the missing length in the figure

Find the length of segment EC to one decimal place.