Y=mx+c
X=-1; y=3 => 3=(-1).m+c
X=2; y=5 => 5=2.m+c
We have equations:
{(-1).m+c=3
{2.m+c=5
<=>{-3m=-2
{2.m+c=5
<=>{m=2/3
{c=11/3
So m=2/3 and c=11/3 we have y=2/3.x+11/3
The angle measures must sum to 360 in order for the figure to tessellate about a vertex.
Answer:
its 21
Step-by-step explanation: i dont why but i feel it its the write one
It is either A or C just incase you needed an answer quickly