Can someone please help me on exercise 1.6, #2 (a to e). *Will report any spam answers* Thank you!

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

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.

In the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?