it is so they can watch behind themselves
Two straight lines that remain equal distance apart are parallel lines.
Polygon: A closed shape bounded by straight lines.
definition mixed lines
Depends. Probably not because nothing is perfect! :)i have to disagree - the sides of crystals are straight~*Sigh*All lines are straight. A man-made one may not be, but by the correct definition, all lines are straight. Straight lines are a mathematical concept - an ideal concept - and therefore, conceptually, all lines are straight even if man-made ones are mere approximations.
Horizontal lines:)
shepherds
Woodlice typically do not walk in straight lines; their movement is often erratic and can appear somewhat zigzagged. This behavior is influenced by their sensory responses to the environment, as they react to obstacles and changes in their surroundings. Their movement patterns are generally more about foraging and navigating through their habitat rather than maintaining a straight trajectory.
Lambs are standing up within a few minutes of being born.
Straight lines.
you draw straight lines with a ruler
Walk forward in a straight line.
there are 5 straight lines
Straight lines that never cross are called parallel lines.
Straight
Think about this: A straight angle makes 180 degrees, right? Straight lines, when measured by a compass, are also 180 degrees. So, yes, all straight angles are straight lines.
Despite Straight Lines was created in 1983.
Its called an amble , they also do not walk in straight lines but sway from side to side ,so that it can always have one eye on its rear.