Question 68
State whether the statement is True or False.
Ratio of circumference of a circle to its radius is always 2π:1
True ∵ Circumference : Radius = 2π r:r=2π : 1
Question 97
Two circles having same circumference are congruent.
Question 61
State whether the following statement is true or false:
Ratio of area of a circle to the area of a square whose side equals radius of circle, is 1:π
Question 68 State whether the statement is True or False. Order of rotational of a semicircle is two.