Question

Pls help there are 3 pics with multiple questions inside of them pls thank you

Answer 1

17. rotation

18. never

19. 4

20. The third one

21. It is an acute ASA triangle because all of the angles are less then 90 degree and since you are given the sides as well, it is ASA.

22. A rotation was used, because the colors are rotated 90 degrees, even though the shape itself stays the same.

Explanation:

Answer 2

Explanation:

17. Rotation

18. Always

19. 4

20.

21. Acute triangle/ Isosceles triangle. All angels are acute and there are none of the sides are equal.

22. The transformation was a reflection. I know this because all the colors flipped, but everything else is the same.