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Mathematics 15 Online
OpenStudy (anonymous):

What is the value of x? http://static.k12.com/calms_media/media/1565000_1565500/1565081/1/ef729766d5cee0a3227382ed53682c878708b101/MS_IMB-1401201-1101006.jpg

OpenStudy (anonymous):

@Butterfield1215

OpenStudy (anonymous):

i think x equals 99?

OpenStudy (anonymous):

@triciaal

563blackghost (563blackghost):

Well the total degree of a triangle is 180...

OpenStudy (anonymous):

yes.

563blackghost (563blackghost):

We know two angles...which are 71 and 28 if we add those up it equals 99 ....

563blackghost (563blackghost):

but in order to find x we need to subtract 99 from the total of a triangle which is 180 so.... \[180 - 99 = ?\]

OpenStudy (anonymous):

81

563blackghost (563blackghost):

Correct! xD

OpenStudy (anonymous):

thank you!

563blackghost (563blackghost):

np...happy to help xD

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