(4,-1) turns into (1,4) because the equation for that is (x,y)->(y•-1,x)
So r+c=42
c=4+r
subsitute c=4+r for r in r+c=42
r+4+r=42
add like terms
2r+4=42
subtract 4 from both sides
2r=38
divide both sides by 2
r=19
rob=19
subsitute r=19 for r in c=4+r
c=19+4
carly=23
1 , 5
5
7
15
i think this is right
Answer:
I think it's still 2.8 because it's a rotation and it's the same shape.
Correct me if I'm wrong
48. B and 47 is out of c and b