Question

6. Raju measured the button on his shirt.
Then he calculated that it has a
circumference of 31.4 millimeters. What
is the button's radius?
(a) 3 mm (b) 4 mm
(c) 5 mm (d) 6 mm​

Answer 1

Answer:

Step-by-step explanation:

circumference of a circle=2 *pi*r

let the radius be x

circumference=31.4mm

31.44=2*3.14*x

31.44=6.28x

x=31.44/6.28

x=5         (approx)

option c is correct

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