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Find the circumference and the area of a circle with radius 4km.
Write your answers in terms of π, and be sure to include the correct units in your answers.

4km


Sagot :

Answer:

16pi km² / 8pi km

Step-by-step explanation:

r = 4

A = pi(r²)

4² = 16

A = 16pi km²

C = 2r(pi)

2r = 8

C = 8pi km