What’s the answer? Plz help

Just tell me how to set up the equation.

What additional information could be used to prove abc =mqr using sas? check all that apply.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.