Vertical line are represented by x = a number....that number being the x value in ur set of points
so ur equation is : x = -7
Answer:
Yes. They are identical triangles which can be seen by the fact that two of their sides are equal. Angle ABC=Angle CBA
Step-by-step explanation:
They are identical isosceles triangles.
Answer:

Step-by-step explanation:
To find the area of a triangle, we can use the formula of:

This formula comes from the area of a rectangle, because a triangle is half a rectangle.
Going by what I was taught in chemistry, there would only be 1.