yaboiizav
yaboiizav
06-07-2017
Mathematics
contestada
what is the measure in degrees of <ABC?
Respuesta :
sydneyyhall
sydneyyhall
06-07-2017
those two angles total equal 180 degrees.
Since we know the first angle equals 155 degrees.
180-155+25.
ABC is 25 degrees.
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texaschic101
texaschic101
06-07-2017
< CBD = 155
< CBD and < ABC are supplementary angles which, when added = 180
so...< CBD + < ABC = 180
155 + < ABC = 180
< ABC = 180 - 155
< ABC = 25 <===
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