Geometry
posted by
Sydney
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Given that ABC XYZ, mA = 40, and mC = 55, find mY.

Geometry 
Steve
It's not clear whether ABC are angles or XYZ are angles. If you are thinking of similar triangles, then
mY = mB
Since A+B+C = 180
40+B+55 = 180
B=85
Therefore, mY is also 85

Geometry 
james
Given that ABC XYZ, mA = 40, and mC = 55, find mY.

Geometry 
tyler
85