calculate the perimeter of a circle whose diameter is 9m using the formula of π=3.14
The perimeter of a circle is given by the formula P = πd, where d is the diameter of the circle.
In this case, we are given that the diameter of the circle is 9m. Therefore, using the value of π as 3.14, we can calculate the perimeter as:
P = πd
P = 3.14 x 9m
P = 28.26m
Therefore, the perimeter of the circle whose diameter is 9m is 28.26m.