Question

Reena wants to put a lace on the age of a circular table cover of diameter 3.5 metre find the length of the lace required also find the cost of the lace if one metre of the Lace cost 25 rupees ​

Answer 1

Step-by-step explanation:

radius of table =d/2

=3.5/2

=1.75

circumference of circle = 2πr

=2×22/7×1.75

=11

cost of lace = 25×11=275

Answer 2

we can also do by πd formula. it's not necessary to first find the radius and then solve