Assuming rotation is about origin, then
R180: (x,y)->(-x,-y)
So
A(6,8)->A'(-6,-8)
B(6,12)->B'(-6,-12)
C(10,12)->C'(-10,-12)
ANSWER


EXPLANATION
The given sequence is;
-34,-21,-8,5,....
The first term of the sequence is

The common difference is


The recursive definition is given by;


for n=2,3,4,...
Answer: 1/7
Step-by-step explanation: 12/22 • 11/21 • 10/20
Answer: 29 in
Step-by-step explanation: