angle bisector

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxGoNVN2l720QSmntIW7_s7ROFXgsv0re3HDeQa1BUuEWb4sJoXNn6JIkMbQ2X2PNUgYBqtm9CdHL9fsjn5KHG47D3AER2wakdZ2PSQriSmSNwdtCnNbu03scuN1rEA3V2Yh6IhzdgcXk/s1600/LEAF+VEIN.JPG

This is a picture of a leaf. But the attention should be brought to the veins of the leaf. The red lines are the angle. The angle bisector is the leaf vein that is blue which cuts the angle directly in half but the example isnt exactly 100% accurate. Leaves are found in pretty much anywhere where there are trees. So, that area must have to good an exceptional amount of rain to keep the leaves and trees healthy and growing. Leaves are used for food but not by people but animals use them for food.

skew lines

 

http://www.squarewheels.org.uk/bike/routeCamOx/

 

 

this is a picture of a bridge. The very side of the road under the bridge forms a straight line and that line is skew to the straight line formed by the top layer of bricks. These lines are skew because they are not parallel and they dont intersect. So basically, they are non coplanar. Bridges are used for cars to get over bodies of water and to provide other routes to get places. Also some bridges are landmarks. Bridges are used by almost everyone who lives near the water and drives a car.

 

 



adjacent non-supplementary angles

http://jupilier.blogspot.com/2008_05_01_archive.html


Im really not sure what this is a picture of there is no description to tell what it is or what it is used for.Therefore I can not explain who uses it and how it is used. But the rails holding the roof form adjacent angles which are angles next to each other. But their measures do not add up to 180 degreese so they are not supplementary angles. The shaded in areas are the areas that are the angles that are measured.

vertical angles

 

http://www.shutterstock.com/pic-96796153/stock-photo-ski-jumper-performing-a-tele-heli-and-grab-with-crossed-skis.html

 

This is a picture of a skier performing a trick. But what should be focused on is the skiis because of their positioning. The skiis form vertical angle angles, angles 1 and 3 and angles 2 and 4 are congruent because they are vertical angles. The sum of their measures is 18 degreese. But if you add all of them together you get 360 degreese. You find skiis in most sport shops and they are used in the winter season and skiing is a winter olympic sport. There is also water skiing, people all around the world use skiis mostly people who ski alot or people who live near the water.

congruent acute angles

 

 

http://edu221fall11class.wikispaces.com/L1+Mitchell,+Jasmine

 

 

This is a clock but instead of numbers it has angles that is congruent to another angle on the clock. The angles drawn over in green are two congruent angles. These two angles are congruent because they are both next to the 180 degree angle. Clocks are found in almost every store and in schools, business places, houses, etc. It is used to tell time.

 



 

line perpendicular to a plane

http://www.budapestmadness.com/en/activities/airplane/

This is a small airplane, this one is used to transport small amounts of goods very quickly. The stand that holds the front wheel is perpendicular to the bottom of the airplane which is the plane and forms a right angle. Airplanes can be found all around the world because they are used for international transportation going all lenghts of the earth.

three or more coplanar lines

http://www.bbb.org/blog/2012/01/save-purple-fever-for-the-stands-and-a-cool-head-for-scoring-playoff-tickets/

 

This is the Baltimore Ravens football field and obviously it is used by the Ravens to play football. The lines that mark the yards on the field are all parallel and do not intersect and also are coplanar. These yard lines are found on any football field. The lines are also used in different sports such as lacrosse and not just by professionals.