Answer:
Circumference ≅ 195 mm
Step-by-step explanation:
The circumference of a circle is equal to: 
Since
we can replace that in the circumference equation giving us:

We know Diameter = 622 mm and pi = 3.14 so:

Answer:
hello! although i am not really knowlegeble about this subject, i hope the lengths below can help you solve the problem :)
Step-by-step explanation:
side length: 62.03inches
perimeter: 168.06
area:1276
if this does help you, a brainliest would be appreciated!
Answer:
√20,
√19,
√17,
√23
Step-by-step explanation:
Well you can combine like terms. 3x-5=1/4x and that's as far as I got hope this helps. sorry I didn't get all the way through
-1(5x+1)
-5x-1
the (-) in front is just a short way to put (-1)