What are ALL the true statements. a. dilations always increase the length of line segments.
b. dilations take perpendicular lines to perpendicular lines.
c. dilations of an angles are congruent to the original angle.
d. dilations increase the measure of angles.
e. dilations of a triangle are congruent to the original triangle.
f. dilations of a triangle are similar to the original triangle.

C, E, F

Step-by-step explanation:

A is false because dilations can not only increase the length of line segments, but also decrease the length of line segments.

B is a true statement.

C is true because when angles undergo dilations, their "size" does not change.

D is false because dilations do not increase the measures of angles.

E is false because a triangle that underwent a dilation becomes similar, not congruent.

F is true because of E's reasoning.

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