Answer:
[tex]\boxed{Hiya!}[/tex]
[tex]\text{My Answer would be A. 90}[/tex]
Step-by-step explanation:
If you Look at the shape closely We can see that it is a right triangle (Figure A)
and Figure B is turned upside down. So if we turn the right angle counterclock wise 90° We would end up with (Figure A) looking the same as (Figure B)
