
To rotate a point around the origin by 180 degrees, multiply both parts of the coordinate point by
. (This means you go from
to
.)


Your answer is <u>12v-3.</u>
-
Steps:
1. Group Like Terms. (8v-3v+7v-3)
2. Add Similar Elements. (8v-3v+7v=12v)
3. Finished. (=12v-3)
-
Hope this helped :)
I thinks is A or B if not I’m sorry
The actual measure of angel A is actually 190