29. The measures of the angles of a triangle are in the ratio 5:6:7. Determine the measure, in degrees, of the smallest angle of the triangle.
According to the rubric I read, work wasn't required because it's something that could be done in your head (flipping two numbers). But don't make a mistake in what you did write.
I hope you remembered to use the slant height and not the height.
32. Using a compass and a straightedge, locate the midpoint of AB by construction.
The perpendicular bisector was not required so long as there were marks to indicate how the midpoint was arrived at. There should be a midpoint if there is no bisector.
An incenter is formed from three angle bisectors. That fact is necessary in solving the problem.