Name the adjacent angles in the following diagram

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.

Two lines parallel to the same plane are parallel to eachother

How to use order of operation in 20 divide by 4 multiply 5 = 1