Difference between revisions of "Exterior angle"
(Created page with "<div style="float:right;"><asy>draw((0,50)--(40,1)--(0,0)--(0,50)); draw((0,50)--(0,68),linetype("0 2"),EndArrow); markscalefactor=0.4; draw(anglemark((40,1),(0,50),(0,68)),green...") |
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| − | + | An Exterior angle is the angle two lines form if one is extended as shown. In the figure, angle DCB is an exterior angle because its on the triangles exterior. it is [[supplementary]] to angle ACB. | |
| + | <asy>draw((0,50)--(40,1)--(0,0)--(0,50)); | ||
draw((0,50)--(0,68),linetype("0 2"),EndArrow); | draw((0,50)--(0,68),linetype("0 2"),EndArrow); | ||
markscalefactor=0.4; | markscalefactor=0.4; | ||
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label("C",(0,50),W); | label("C",(0,50),W); | ||
label("D",(0,68),NW); | label("D",(0,68),NW); | ||
| − | </asy> | + | </asy> |
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Latest revision as of 21:20, 6 August 2022
An Exterior angle is the angle two lines form if one is extended as shown. In the figure, angle DCB is an exterior angle because its on the triangles exterior. it is supplementary to angle ACB.
![[asy]draw((0,50)--(40,1)--(0,0)--(0,50)); draw((0,50)--(0,68),linetype("0 2"),EndArrow); markscalefactor=0.4; draw(anglemark((40,1),(0,50),(0,68)),green); label("A",(0,0),W); label("B",(40,0),NE); label("C",(0,50),W); label("D",(0,68),NW); [/asy]](http://latex.artofproblemsolving.com/7/0/0/700140655ecb08f6316582e02d389bce562fdff0.png)
