Answer:
Starting with ΔABC, draw the dilation image of the triangle with a center at the origin and a scale factor of two. Notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). Dilations involve multiplication! Dilation with scale factor 2, multiply by 2.
Answer:

Step-by-step explanation:
we know that
The formula to calculate the coordinates of the midpoint between two points is equal to

we have that
The coordinates of diagonal WY are

substitute in the formula to calculate the midpoint



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