Question

@kool_22
The coordinates of the vertices of figure MNOP are M(10, 12), N(23, 16), O(12, 17), and P(11, 25). Figure MNOP was rotated around the origin to produce figure MꞌNꞌOꞌPꞌ with vertices Mꞌ(12, −10), Nꞌ(16, −23), Oꞌ(17, −12), and Pꞌ(25, −11).



What was the degree of rotation?

90

Answer 1

@iGreen

Answer 2

@leonardo0430

Answer 3

@keke_luvs_u

Answer 4

(10, 12) - Point M

(12, -10) - Point M'

This was rotated according to the rule:

(y, -x)

Answer 5

https://www.desmos.com/calculator/xsvtez7sr0

Answer 6

ok thanks

Answer 7

so it was 90 degrees?