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3.1 Identify Pairs of Angles

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okay this is what we learned in less than 3.1 identifying pairs of angles these first two angles here are actual the review from chapter 1 but a linear pair would be a pair of angles that are Jason any form a straight line so linear pairs going to look like that so these pictures are actually 8  linear pairs 124 meleny repair  him straight line two and four straight line four and three straight line three in one straight Finance the same thing down here 5 + 6/6 + 887 + 5 + 7 so these repairs trailer for 3 + 4 and  1 and 3 Kubo remember that vertical angles we also learned in wine vertical angles are when two lines cross it forms two sets of vertical angles this one is across from that one those are vertical angles and this angle here put two dogs are vertical angles vertical angles are congruent and a linear pair as of 280 degrees which we talked okay so the vertical angles when I have a transversal Crossing two lines train for one 6 + 758 okay now this is the new stuff we learned in chapter 3 corresponding angles for all are these types of pairs of angles they're referring to whenever there's two lines that are cut by transversal makes two sets angles and four angles on each set there's this sat here  and there's this set here and for each one of these kinds of pears you're going to be one of these angles and one of these angles to make that parents the first time are corresponding angles and referring to angles that are in the same location for each picture so angle one here is up here in the left-hand upper side and so is they're both upper left-hand side so that makes them corresponding angles because they're in the same  they're in the same direction for the ankle 2 and 6 are corresponding cuz they're both over here 4 and 8 are corresponding they're both over here 3 and 7 or corresponding they're both down this way so what dangles are 1 + 5 2 + 6 3 + 7 4 + 8  okay alternate interior angles again we're taking one of these and one of these box to **** this is interior it's on the inside and then the course exterior would be on the outside funny interior angles I went alternate interior angles so I'm going to pick an angle from here and hang over here both had again the inside alternate means they're on the opposite side of transversal so  the alternate interior angles number for is the angle down here that's on the opposite side which is 545 or alternate interior 3 and 6 or Sanitarium  okay and similar alternate exterior for taking one from here we go from here but now they're on the outside a little box the exterior angles are 1 - 7 + 8 + 30 so they have to be on the opposite side of the transversal so the alternate exterior angles number one is never which is exterior and it's on the opposite side Scotty alternate interior angle for number 2 is number 78 2 + 7 okay the last angle pair that were talking about are consecutive interior angles there in so we're choosing from inside we're going to choose one from here and consecutive means that they're on the same side of the transversal not an opposite sides like alternate so the Jews are on the same side or 3 or 3 and then four and six you can see are on the same side

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3.1 Identify Pairs of Angles

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