What type of shape is this supposed to be

Which of the following statements must be true about this diagram? check all that apply. x°, y°, z°, & w°

In 2014, the three largest economies in the world were (listed in order, from largest): a) the u. s., china, germany. b) the u. s., china, japan. c) china, the u. s., japan. d) china, the u. s., germany.

Point s has coordinates (4,2). if you rotate s 90 degrees about the origin, (0,0), what are the coordinates of s’?