A circle can be circumscribed about a quadrilateral if and only if the opposite angles of the quadrilater sum up to 180.
This is not the case, so you can't circumscribe a circle about the quadrilateral.
Answer:
4
Step-by-step explanation:

75/15=5
3*5=15
y would equal 15
Hope this helps :)
Answer:
68.2275604137
Step-by-step explanation:
you can round down
I hope this helps
Answer:
3.5 square cm
Step-by-step explanation:
