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Geometry 21 Online
OpenStudy (anonymous):

What is the value of x? http://s11.postimg.org/omfhijgkj/image.jpg

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

all angles in a triangle must add to 180 degrees

jimthompson5910 (jim_thompson5910):

78+x+x = 180 x = ??

jimthompson5910 (jim_thompson5910):

oh I see where you went wrong

jimthompson5910 (jim_thompson5910):

|dw:1441257905158:dw|

jimthompson5910 (jim_thompson5910):

the base angles are congruent, so they are both 78 |dw:1441257933311:dw|

jimthompson5910 (jim_thompson5910):

so instead, you need to solve 78+78+x = 180

OpenStudy (anonymous):

X=24

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (anonymous):

Simple enough, thanks again!

jimthompson5910 (jim_thompson5910):

no problem

OpenStudy (sohailiftikhar):

close this question please :)

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