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Mathematics 10 Online
OpenStudy (anonymous):

TRIANGLE HELP TRIANGLE HELP

OpenStudy (anonymous):

hartnn (hartnn):

angle CBA is supplementary to angle 145 can you find angle CBA from this ? (supplementary angles add up to 180 degrees)

OpenStudy (anonymous):

180-145 right ?

hartnn (hartnn):

correct!

hartnn (hartnn):

now sum of angles of a triangle add up to 180 also! so, CBA+CAB+ACB = 180 so, can you find angle A from here ?? (angle CAB)

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