Help ASAP i need the answer to this question plsss NO LINKS AND NO DOING IT JUST FOR THE POINTS Will give brainliest and just because i say don't do it just for the points doesn't mean i don't want you to do it i'm just saying that because i don't want random answers i want the right answers with work shown

4. The coordinates of the vertices of rectangle
ABCD are A(3, -2), B(3, 2), C(-3, 2), and
D(-3, -2).

a. Rectangle ABCD is rotated 90° about the
origin. What are the coordinates of the
vertices of rectangle A′B′C′D′?

b. What are the measures of the angles of
A′B′C′D′?