What is the length of the altitude of the equilateral triangle below? 873 30-
83
60" 90°
475
60"
415
O
A. 4
O
B. 413
C. 144
D. 12/3
E. 12
O F. 240

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.