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OpenStudy (anonymous):
fidn the measure of angle a and b
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OpenStudy (dumbcow):
need more info??
OpenStudy (anonymous):
OpenStudy (anonymous):
there is the trial
OpenStudy (dumbcow):
angle a and the 90 degree angle are supplementary so they add up to 180 a+90 = 180 a = 90 sum of angles of triangle equal 180 90+49+b = 180 b = 180-90-49 b = 41
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