a
b
124°
95°
42
53°
C
باوکی
39°
95°
If the slope of line c is given, the slope of
which other line is known?
![a b 124 95 42 53 C باوکی 39 95 If the slope of line c is given the slope of which other line is known class=](https://us-static.z-dn.net/files/d3b/f7e3a30c88268bf4fb6701fe5666f97c.png)