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Because light travels in straight lines. (unless some form of meta-material is present in its path).
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∙ 14y ago
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What lines go straight across?
Horizontal lines:)
What are two straight lines called?
Two straight lines that remain equal distance apart are parallel lines.
What is a closed shape bounded by straight lines?
Polygon: A closed shape bounded by straight lines.
What are the definitions of mixed lines and straight lines?
definition mixed lines
Is a straight line a straight line and why?
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.
What lines go straight across?
Horizontal lines:)
What is parallel line in math?
two straight lines that will never intersect. ex. ___________ _____________ the lines go straight and never met.
Is there experiments to show that light travels in straight line?
Yes shadows prove it because if light travelled in bent lines there would be no shadow.
What do shadows and their shapers tell us about how light travels?
It tells us that light only travels in straight lines and cant travel through most objects.
How is the light ray theory associated with shadows?
Light ray theory and shadows. Basically the light ray theory is the theory that light always travels in straight lines, and it is linked into shadows as when an object blocks the light rays it cannot bend round the object therefore making a shadow.
What type of lines does a triangle have?
Straight lines.
What do you draw straight lines with?
you draw straight lines with a ruler
Can you skip in straight lines in checkers?
no u have to go diagnol at all times
How many straight lines are there in a pentagon?
there are 5 straight lines
What are straight lines that never cross called?
Straight lines that never cross are called parallel lines.
Actor David Selby of dark shadows is he straight?
Not only is he straight, he also sells bees.
What are straight lines crossing over each other called?
Intersecting Lines. Two lines next to each other but go straight and never meet are called parallel lines. Perpendicular is when two lines cross right into the middle and makes 4 right angles (90 degrees). you!! :)
