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Earn +20 ptsQ: An arc that measures 180 is called a?
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Continue Learning about Other Math
Which type of arc measures exactly 180 degrees?
semicircle
What is a degree measure of minor arc?
a minor arc measures less than 180 degrees...
any two angles whose measures have a sum of 180° are called?
supplementary
What are two adjacent angles called whose measures add up to 180 degrees?
They are called linear pair, because their farthest sides lie on the same line.Any two angles that add to 180 degrees are called supplementary angles.
How many lines of symmetry does a semicircle have?
One. The line of symmetry for a 180 degree arc (a semicircle) is the line that bisects the arc.
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