redondolena1123 redondolena1123

25-03-2020
Mathematics

contestada

Question text What is the exact circumference of a circle that has a radius of 50 cm? Select one: a. 25πcm 25πcm b. 50πcm 50πcm c. 100πcm 100πcm d. 200πcm

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-03-2020

Answer:

C = 100 pi cm

Step-by-step explanation:

Circumference is given by

C = 2*pi*r

We are given the radius is 50

C = 2*pi*50

C = 100 pi

We cannot approximate pi since we are asked for the exact value

C = 100 pi cm

Answer Link

CHERLYNnotCHERRY CHERLYNnotCHERRY

25-03-2020

Answer:

The answer is C, 100π cm

Step-by-step explanation:

The formula of circumference of circle is C=2πr so you can just substitute the following value into the formula:

radius = 50cm

C = 2×π×50

= 100π cm

Answer Link

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