Plz help with this question I will give brainliest answer
1 answer:
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Part A:
The scale factor is 1/4, because you obtain the coordinates of points P', Q', R' by dividing the coordinates of P, Q and R respectively by 4.
Part B:
Reflecting about the y axis causes a sign swap in the x coordinate. So, the new point will be
Part C:
The triangles are similar, but not congruent. When you transform PQR into P'Q'R', you get a scaled version of the original triangle. This means that the angles and the proportion between sizes will be the same, but the length are scaled by 1/4, and the area is consequentially scaled by 1/16.
Triangles P'Q'R' and P''Q''R'' are congruent, so they are both similar but not congruent to the original triangle.
For converting radian to degree we simply place pi as 180 degree.
So the given angle in radians =
Now can place pi = 180 degree in this angle.
So angle in degree =
So given angle in degree = -570 degree
So the given angle in radians =
Now can place pi = 180 degree in this angle.
So angle in degree =
So given angle in degree = -570 degree