possibly meters or feet/yards.
a walk through a neighborhood would be less than a mile/kilometer but much further than an inch/centimeter.
the measure of an angle is 117°. what is the measure of a supplementary angle? two angles are supplementary when they add up to 180 degrees. these two angles (140° and 40°) are supplementary angles, because they add up to 180°: notice that together they make a straight angle. but the angles don't have to be together.
the correct answer to the question 60² is, 3,600
60² = 60 (2) = 60 × 60 = 3,600