Answer:
62.96
Step-by-step explanation:
P=2l+2A
l=2·15+2·247.2
15=62.96m
Answer:
or 
Step-by-step explanation:

hope this helped
sorry if im too late lol
Answer: number 3 is 10 and number 4 is 3.16
Step-by-step explanation:
its just finding the square roots and doing the operation that follows
Answer:
A =5538.96 in^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
We know the radius is 42 and pi is approximated by 3.14
A = 3.14 * 42^2
A =5538.96 in^2
Answer:
I can't see anything
Step-by-step explanation: