A triangle is dilated by scale factor of 3 with the center of dilation at the origin. Which statement is true? A. The area of the image is nine times the area of the original triangle.

answer:

c. the third graph

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b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)