<u>Answer</u>:
<em>I'm bad at explaining this but after this, go to sleepppp</em>
<u>Step-by-step explanation:</u>
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Answer:
21.5?
the more i think the more i believe it
Answer:
When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). So all we do is make both x and y negative.

The coordinates are given below as

By applying the rule, we will have

By graphing the triangle, we Will have