Answer:
The answer is C
Step-by-step explanation: Hope this helps!
Here you have the solution to this task.
The answer is C because you should look if it’s an open circle and which way the arrow is facing.
Answer:
the room is not square
Step-by-step explanation:
We have a formula for that( according to the Intersecting chords theorem)

3×4=2×jk
6=jk