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What is the name of an angle that measures exactly 180 degrees?
That is a straight angle.
Could a concave quadrilateral have more than one reflex angle?
A reflex angle is over 180 degrees, but the sum of the angles in a quadrilateral, concave or convex, is 360. Therefore, since 180+180=360, you can't have any more degrees even without the amount over 180 that the reflex angle has.
Is 180 degrees a reflex angle?
No, 180 degrees is a straight angle. A reflex angle is one whose value is between 180 and 360 degrees.
What is the third angle of triangle if one is 27 the other 58?
when you add up all the angles of a triagle they equal 180 angle 1 + angle 2 + angle 3 = 180 27 + 58 + angle 3 = 180 85 + angle 3 = 180 angle 3 = 180 - 85 angle 3 = 95
Interior angle of and 18 sided shape?
Exterior angle + interior angle = 180 Hence Interior Angle = 180 - Exterior Angle The Exterior Angle = n(No. of sides ) / 360 Substituting Interior Angle = 180 - (n/360) Interior Angle = 180 - (18/360) Interior Angle = 180 - (1/20) Interior Angle = 179.95 degrees.
