We can say that lines A and D are <em>perpendicular</em>.
Answer:

Step-by-step explanation:
Having the radius to be involved, the shape is a circle.
<u>Circumference formula </u>

Finding radius, formula will be reversed.


A = -11
B= -12
This is because of how calculations work in negatives. Because they are both negative they work similarly to addition
Answer:
0.75
Step-by-step explanation:
since it's a fraction you can divide
3 divided by 4 is 0.75
5.476 rounded to the hundrdths is
5.48