Respuesta :

since there are 180 degrees in a triangle so :


65+72+y=180  add like terms

137 + y=180 now subtract 137

y= 180-137

y=43 degrees

TheOneandOnly003

All Triangle's equal 180 degrees.

So to find this out......72+65=137

180-137=43

The missing angle equals 43 degrees.

-Seth

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