![]() ![]() It would have beenĮmbarrassing if I didn't. Need to measure here is 130 degrees, assuming Look at it this way, you can see that the angle- and This edge right over here is right along this line. This edge at 0 degrees, is at one of these sides. To rotate it so that, preferably, this edge, Of the protractor right at the vertex of where Measure any angle using an actual physical protractor. Would actually measure it the way you would Use this protractor to measure the angles there. And he made this reallyĬool protractor tool here so that you actually One of our amazing high school interns that we had Time that I'm doing this video, there is no video for the The measuring angles module because, clearly, at the There are a variety of other terms for various kinds of pairings of angles. ![]() Vertical angles: the angles on opposite sides of two intersecting lines In other words, one of the outside four angles a transversal creates.Īdjacent angles: two angles which share one common side and share a common vertex. ![]() Interior angle (meaning two): any of the four angles formed between two lines where a transversal intersects them.Įxterior angle (meaning one): an angle on the outside of a polygon formed by a side and its extended adjacent side.Įxterior angle (meaning two): any of the four angles formed by a transversal that are not between the two lines the transversal intersects. Interior angle (meaning one): the angle inside of a polygon formed by the meeting of two sides. Supplementary angles: two angles that add up to 180°Įxplementary or conjugate angles: two angles that add up to 360°. Oblique angle: any angle other than 0° or a multiple of 90°Ĭomplementary angles: two angles that add up to 90° There are countless special names for angles, but many of these are not important at this level of study. ![]()
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