4. what term describes a transformation that does not change a figure's size or shape?
a. similarity
b. rigid motion
c. collinearity
d. symmetry

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?