<Li> An angle equal to 1 / 2 turn (180 ° or π radians) is called a straight angle . </Li> <Li> Angles larger than a straight angle but less than 1 turn (between 180 ° and 360 °) are called reflex angles . </Li> <Li> An angle equal to 1 turn (360 ° or 2π radians) is called a full angle, complete angle, or a perigon . </Li> <Li> Angles that are not right angles or a multiple of a right angle are called oblique angles . </Li>

An angle whose value is called complete angle