CodePudding user response:

This involves the coordinate translation and rotation,

Mark coordinates: xMark, yMark
P center: xP, yP
The New coordinates: xNew, yNew

Formula
XNew:=(xMark - xP) Cos (PI) (a/180) * + xP
YNew:=(xMark - xP), Sin (PI) (a/180) * + yP

CodePudding user response:

Note: is a point of view,

CodePudding user response:

Middle school students exams to it to find the answer,,,

CodePudding user response:

What are now whether the partitions?

CodePudding user response:

The topic of high school,,,