What is the simplified form of cos​ C?

1

5√2

2√2

2√

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Percent increase and decrease. original number: 45 new number: 18

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.