D obtuse, scalene is your answer
Answer:
f. 2x+13
Step-by-step explanation:
The answer to the question is 2b+3
Answer:
A'(-1,-3)
B'(-2,-2)
C'(-4,-3)
Step-by-step explanation:
The rotation by 90° counterclockwise about the origin has the rule

So, the vertices of the triangle ABC have the images:

see attached diagram for details.
Answer:
328
Step-by-step explanation:
Just try it