Answer:
4th one
Step-by-step explanation:
45. Explanation: I honestly don’t know
The sum of the interior angles of<span> a </span>triangle<span> are equal to 180</span>o<span>. To </span>find the third angle of a triangle<span> when the other two </span>angles<span> are known subtract the number of degrees in the other two </span>angles<span> from 180</span><span>o</span>
I think you multiply 1/2 by the x and y point
1/2(0)= 0
1/2(-6)= -3
(0,-3)