S.V.Koundinya
from
Sri Chaitanya School, Hyderabad
Subject :IMO Class : Class 6
What is the formula of perimeter of a circle?
Ans 6:
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Swayambhu Asirbad Barik
from
Delhi Public School Ghaziabad, Ghaziabad
Class : Class 6
Perimeter of a circle = 2 x (22/7) x radius of circle