What's the perimeter of that triangle?

True or false look at the picture pls : /

Which of the following circles have their centers on the x-axis? check all that apply.

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90