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Geometry help? Find the values of the variable I know it would be 115.5 but how do I get that answer

Geometry help? Find the values of the variable I know it would be 115.5 but how do I get that answer
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Geometry help? Find the values of the variable I know it would be 115.5 but how do I get that answer

Geometry help? Find the values of the variable I know it would be 115.5 but how do-example-1
User Tomlogic
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1 Answer

6 votes
Subtract 128.5 from 180 degrees and you get 51.5. Then add 51.5 plus 13, you get 64.5. Subtract 64.5 from 180 and you get 115.5. A triangle's angles all added together equals 180. 
User Pankaj Vatsa
by
8.6k points
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