contestada

In the figure, line c is parallel to line d. Both of these lines are cut by transversals a and b as shown. If m∠12=60° and m∠14=80° , what is the measure of the following angles?

In the figure line c is parallel to line d Both of these lines are cut by transversals a and b as shown If m1260 and m1480 what is the measure of the following class=