Atriangle abc with vertices a (6,8) b(6,12) c(10,12) is rotated at 180°. what are the coordinates of b?

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Pranza plotted point a in the coordinate plane below.

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl