Respuesta :
Answer: circumference = 8pi
Area = 16pi
Explanation:
Circumference = d x pi = 8pi
Area = d^2/4 x pi = 8^2/4 x pi = 16pi
Area = 16pi
Explanation:
Circumference = d x pi = 8pi
Area = d^2/4 x pi = 8^2/4 x pi = 16pi
Answer:
8pi km, 16pi km
Step-by-step explanation:
The formula for circumference is d times pi
That means it's simply 8pi
The area formula is pi r^2
To find the radius, we divide by 2,
4 squared is 16
Area is 16pi