What is the prime factorization of 72?
22 × 32
22 × 33
23 × 32
23 × 33

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.