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Given:
Vertices of triangle ABC are A (1,4), B(3,−2) and C(4,2).
Triangle ABC reflected over the x-axis to get the triangle A'B'C'.
To find:
The coordinates of the image A'B'C'.
Solution:
If a figure reflected over the x-axis, then rule of transformation is
Now, using this rule, we get
Therefore, the coordinates of the image A'B'C' after a reflection over the x-axis are A'(1,-4), B'(3,2) and C'(4,-2).
Answer: 30 inches.
Step-by-step explanation:
We need to use the formula for calculate the perimeter of a rectangle. This is:
Where "l" is the length and "w" is the width.
In this case, we know that the lenght and the width of this rectangle are:
Therefore, substituting values into the formula, we get that the perimeter of this rectangle is: