What is the measure of an exterior angle of a regular hexagon?

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.