Step-by-step explanation:
The perimeter of the given square is: a + a + a + a = 4 a units. Hence, the formula of the perimeter of a square = 4 × (length of any one side).
C=2pir
r=4
c=2pi4
c=8pi
aprox pi=3.14
c=25.12
Answer:
1471.15
Step-by-step explanation:
Answer:512
Step-by-step explanation: