HELP BRAINLIEST! I think its none of the above Triangles DEF and D′E′F′ are shown on the coordinate plane below:
What rotation was applied to triangle DEF to create triangle D′E′F′?

90° clockwise
180°
None of the above
90° counterclockwise

180 degrees

Explanation:

So if it was 90 degrees it would be the same thing just fliped. 180 means that it did a half a rotaion so it would be the mirrored of the original object. That is what we see the second figure is mirrored of the other. 90 degrees also would be different.

It's 180 degree rotation.

Step-by-step explanation:

It's mirrored,  and a circle is 360 degrees, so half of that is 180. The triangle made a 180 turn to become a mirror reflection, therefore, it's 180 :) Hope this helps please mark brainliest <3

a. the residual plot for model 1 has a random pattern and is a good fit for the data.

step-by-step explanation:

i think you should think about the question and not look online.