Posted by **Sydney** on Wednesday, October 19, 2011 at 12:20pm.

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

- Geometry -
**Steve**, Wednesday, October 19, 2011 at 1:25pm
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**, Monday, December 24, 2012 at 2:42am
Given that ABC XYZ, mA = 40, and mC = 55, find mY.

- Geometry -
**tyler**, Wednesday, February 27, 2013 at 2:40pm
85

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