Question

Raju measured the button on his shirt. then he calculated that it has a circumference of 31.4mm.then what is the button radius?​

Answer 1

Step-by-step explanation:

circumference of circle is given by the formula 2πr,

where r is the radius and And π is constant,

π=22/7=3.14,

2πr=31.4mm

2×3.14×r=31.4

r=5mm