Answer:
Parallel lines are straight lines that don't ever touch. Think of a railroad track.
Perpendicular lines are lines that meet and make a 90 degree angle
Step-by-step explanation:
5 times 2 equales 10 divided by 40 eqauls 4 times 2 equals 8
Circumference = 6π
θ = 8/3 = 2.7 radians