its an obtuse angle ou retard... so so so so so so so
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There is no specific name for an angle between 90 and 270 degrees. Between 90 and 180 it is an obtuse angle. Between 180 and 270 (and up to 360) it is a reflex angle.
a right angle = 90 degrees 1/2 a tight angle is therefore 45 degrees therefor 3 times a right angle = 270 degrees + 1/2 a right angle = 315 degrees.
Measured in degrees a right angle is 90 (or 270 - if you are measuring backward).
An angle of 270 degrees looks exactly like a right angle ... 90 degrees ... but instead of measuring itacross the short opening, you measure it "outside", around the long way.