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Because if there's no little dot to mark the vertex of a 180-degree angle,
then you don't even know that you're looking at an angle, because it looks
just like a straight line.
To put it the other way, if somebody tells you to construct a 180-degree angle
with nothing but a ruler, all you have to do is draw a straight line and mark a
little dot anywhere on it, and boom, you've got a 180-degree angle with its
vertex located at that dot.
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An angle measure 180 is called?
Angles that are 180 degrees (θ = 180°) are known as straight angles. • Angles between 180 and 360 degrees (180°< θ < 360°) are called reflex angles.
What is an 180 degree angle called?
Answer = A 180 degree angle is called a Straight Angle!!
What angle is 180 degree called?
Answer = A 180 degree angle is called a Straight Angle!!
What is an angle called that measures 180 degrees?
An angle that measures 180 degrees is a straight angle, or straight line.Line.
What type of angle makes a straight line?
180 degrees -- a straight angle
Is a -180 degree angle obtuse?
No, a 180-degree angle is called a straight angle.
What is a 180 degree angle called a straight angle?
it is a straight line
If a central angle measures 180 degrees what is it called?
An angle of between 90 degrees and 180 degrees is called an obtuse angle, an angle that is exactly 180 degrees is called a straight angle (because it creates a straight line), and an angle of more then 180 degrees is called a reflex angle.
Is 180 a acute angle?
No, it is called a straight angle.
An angle 180 degree is called?
straight angle
What is an angle with a measure of 180 degrees called?
An angle of 180° is a straight line.
An angle with a measure of 180 degrees?
An angle that measures 180 degrees is called a straight angle.
