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guajiro [1.7K]
3 years ago
14

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
Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

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

galina1969 [7]3 years ago
3 0

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

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