igbolanowski igbolanowski

20-07-2020
Mathematics

contestada

Find the circumference and the area of a Circle with diameter 8km. Write your answer in terms of pi.

Respuesta :

LazyBun LazyBun

20-07-2020

Answer: circumference = 8pi
Area = 16pi

Explanation:
Circumference = d x pi = 8pi

Area = d^2/4 x pi = 8^2/4 x pi = 16pi

Answer Link

Msurf617 Msurf617

20-07-2020

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

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