An acute angle is an angle measuring between 0 and 90 degrees. The angles made by each pair of arcs at the corners of a Reuleaux triangle are all equal to 120°. a 90° angle, called a right angle, is made of two perpendicular lines. Log in. I just want to know the mathematical relationships between AOV and FOV what I said above. This is the Full Angle. Favourite answer. This is called 360 deg, single phase AC. bheemshankarshankar2 bheemshankarshankar2 08.09.2020 Math Primary School +5 pts. The place where the two lines meet is called the vertex, while the two lines are called the arms of the angle. An angle in 2D formed between 2 straight lines has an initial side, and a terminal side. It is always the side opposite the right angle. 4 years ago. Amar Soni. Coterminal angles are angles that share the same initial side and terminal side. 3 4 5. Relevance. For example 90° means 90 degrees. 1. So that's one side of the angle or one of the rays and then I'll put the other one on the baseline right over here. Thanks again! The on an sided polygon add up to degrees. Lv 7. Area of an obtuse angle triangle = ½ * b * h , where b is the base and h is the height of the triangle. Maths MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. what is a 120 degree angle called? If you continue to increase an angle it will eventually 'double back' on itself and form a full 360° angle. 10 Answers. An example molecule is BH[math]_3[/math]. Add that to the 90° we already marked off, and we have about a 120° angle. Question 387637: If each interior angle of a regular polygon measures 120 degrees then what would be the equation to find the number of sides,n in this polygon? These smaller units, however, can only be measured with high-precision instruments. Basic rotations. Specifically, they encode information about an axis-angle rotation about an arbitrary axis. 180 degrees - 90 degrees = 90 degrees. Another way of saying this would be “120 degrees is the supplement of 60 degrees.” Supplementary angles are easy to spot in diagrams because they make up a straight angle. The angles formed by a nonzero vector and the coordinate axes are called the direction angles for the vector. The cosines of these angles are known as the direction cosines. Log in. Angles are created when two straight lines intersect. This is the sharpest possible angle at any vertex of any curve of constant width. Practical Geometry […] When we study the relationship between angles and sides of a triangle, it is called Trigonometry. But we generally mean the reflex angle and so it is a full circle or 360°. An angle that is 120 degrees is called what - 16082522 1. 9 years ago. Trigonometry is used in almost all fields. Having said that, if you want to know the measure of the longest side of your triangle, even though it isn't called … Free PDF Download of CBSE Maths Multiple Choice Questions for Class8 with Answers Chapter 4 Practical Geometry. what is it? This is how large 1 Degree is . You also didn't write what the angle is called, "let say..." $\endgroup$ – DonAntonio Oct 30 '13 at 17:23 $\begingroup$