Question

If the circumference of a circle is 48.4 cm,
then the radius is cm.
A)
2.6
B)
4.3
C)
7.7​

Answer 1

Answer:

(c) 7.7 cm

Step-by-step explanation:

circumference = 2πr = 48.4cm

so r = 48.4/ 2π

= (48.4 ×7 )/ 2×22

= 77/10 = 7.7 cm

Answer 2

Answer:

r=7.7

Step-by-step explanation:

circumference of a circle= $2\pi r$

so 2*22/7*r=48.4

r=48.5*7/2*22

r=339.5/44

r=7.7

so option c is correct

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