B I think I don’t really know
Answer:
3000000000 times bigger
Step-by-step explanation:
For this case we have the following data:


So that the figure can be a rectangle, its diagonals must be equal, that is, 
In this way we have:

Clearing x we have:


Thus, x must be equal to 10 so that the figure is a rectangle.
Answer:

Option A
Answer:
r=5.8
Step-by-step explanation:
Just do 17.4 divided by 3
And you get R
Hope this helps!