Mathematics, 20.10.2020 02:01 ben2005

The point (-2,-5) will be the center of rotation. What is the horizontal direction and distance of center of rotation to point A? (1 point) 2. The point (-2,-5) will be the center of rotation. What is the vertical direction and distance of center of rotation to point A? (1 point)

3. Rotate the answers to numbers 1 and 2 90° clockwise. (1 point)

4. Use the answer to number 3 and the center of rotation to find the coordinates of point A'. (1 point)

5. Repeat number 1 with coordinates for point B and the same center of rotation. (1 point)

6. Repeat number 2 with coordinates for point B and the same center of rotation. (1 point)

7. Repeat number 3 with the answers from numbers 5 and 6. (1 point)

8. Use the answer to number 7 and the center of rotation to find the coordinates of point B'. (1 point)

9. Repeat number 1 with coordinates for point C and the same center of rotation. (1 point)

10. Repeat number 2 with coordinates for point C and the same center of rotation. (1 point)

11. Repeat number 3 with the answers from numbers 9 and 10. (1 point)

12. Use the answer to number 11 and the center of rotation to find the coordinates of point C'. (1 point)

Congratulations! Points A',B', and C' represent the vertices of image of rotated ∆ABC.

Now, lets dilate the triangle using a center of dilation at (-2,-5) and a scale factor of k=2
13. Multiply the answers from numbers 1 and 2 by the scale factor k=2. (1 point)

14. Use the center of dilation and the answer to number 13 to find the coordinates of A'. (1 point)

15. Multiply the answers from numbers 5 and 6 by the scale factor k=2. (1 point)

16. Use the center of dilation and the answer to number 15 to find the coordinates of B'. (1 point)

17. Multiply the answers from numbers 9 and 10 by the scale factor k=2. (1 point)

18. Use the center of dilation and the answer to number 18 to find the coordinates of C'. (1 point)

Congratulations! Points A',B', and C' represent the vertices of image of dilated ∆ABC.

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