Someone help! Again I'll give brainlist if right! ​

1. are the triangles similar and if so why? what is the value of x? show your work.

What is the value of x? enter your answer in the box.

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.