The answer i believe is C
There are 360 degrees in the rhombus which means the equilateral triangles has 180 degrees (because it is half the rhombus and also it is the angle sum of a triangle). It is equilateral meaning all sides and angles are the same so they all must be 60 (180/3)
Now this must mean that angle a is equal to the opposing angle being 60
A..................................................
Answer:
Step-by-step explanation:
One solution would be (1, -4), and the other would be (4, -7).
