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A full circle is 360 degrees, half of that, an arc, is 180. Half an arc, or a right angle, is 90 degrees.
Ever heard someone say "Wow, he did a complete 180" when someone changes their mind about something? This is where it comes from. If you are in a circle and turn around to face the exact opposite side of the circle, you have turned 180 degrees.
Anyway, the answer is 90 degrees.
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Continue Learning about Math & Arithmetic
A right angle is many degrees?
A right angle is 90 degrees
How many degrees in a right angle are there?
There are 90 degrees in a right angle.
How many degrees are there is a right angle?
A right angle is exactly 90 degrees.
How many degrees are in a supplementary angle?
A supplementary angle is a 180-degree angle minus the number of degrees in the given angle.
How many degrees are a obtuse angle?
An obtuse angle can be any angle over 90 degrees and below 180 degrees (anything over that is a reflex angle)
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