A transformation of ΔDEF results in ΔD'E'F'. Which transformation maps the pre-image to the image? A. The transformation is a dilation. B. The transformation is a reflection. C. The transformation is a rotation. D. The transformation is a translation.

C

Step-by-step explanation:

It can’t be a dilation, as it’s the same size.  There is no way to reflect it and have it end up there.  It’s not just a slide (translation).  Only if you rotate it will it work.  

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step-by-step explanation:

π^°×{{€€

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2