Answer:
The circumference is 45.2yd
Step-by-step explanation:
Given
--- diameter
Required
Determine the circumference
The circumference is calculated as:

So, we have:

Take pi a 3.14


Approximate

Answer:
the first one
Step-by-step explanation:
obviously
Answer:
y=C+a
Step-by-step explanation:
Add a to both sides
C+a=y
5 and 6
√150 = 5.31 to 2 dp
5 < 5.31 < 6
First one is equal to thats all i know