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Mathematics 20 Online
OpenStudy (anonymous):

The measure of angle CAB is 44 degrees for this one, right?

OpenStudy (anonymous):

OpenStudy (campbell_st):

looks ok provided AOB is a diameter...

OpenStudy (campbell_st):

you can use supplementary angles or exterior angle of a triangle to prove it

OpenStudy (campbell_st):

Triangle ACO is Isosceles with angles A and C being the base angles and equal. then 2x = 88 exterior angle of a triangle x = 44

OpenStudy (anonymous):

Thanks, it was 44 not 47

OpenStudy (campbell_st):

correct

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