A right angle is exactly ¼ of a full 360 degree turn. When two straight ... any angle that is bigger than a right angle but less than a straight, flat line (91-179 degrees – remember them ...

Quadrilaterals close quadrilateralA polygon with four straight sides. have four sides and four angles. Interior angles in a quadrilateral sum to a full turn (360 ... line add up to 180 If angle ...