Answer:
5-2+1-3=1
Step-by-step explanation:
I think it’s a had it before
Answer:
She will need approximate
of plastic border
Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have

substitute
----> exact value of the length of plastic border
assume

---> approximate value of the length of plastic border
The angle for x is 180 degrees because it is at the part of the circle that is straight up and down