melissafu2007 melissafu2007

19-04-2020
Mathematics

contestada

The diameter of a circle is 4 cm. Which equation can be used to find its circumference
A: C = pi x 44
B: C = pi x 2
C: C = 16 x pi
D: C = pi x 4

Respuesta :

helloshimmeritsme helloshimmeritsme

19-04-2020

Answer:

D: C = 4π

Step-by-step explanation:

The formula for circumference is C = 2πr

The diameter is 4 which means the radius is 2.

Plug the value of r into the formula.

C = 2π2

C = 4π

D: C = 4π

Answer Link

2408veah 2408veah

16-04-2021

Answer:

D

Step-by-step explanation:

i took the unit !

Answer Link

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