10000
Work : 100 x 100 , take 1 x 1 and just carry the four zeros so , 1 x 1 = 1 , carry zeros 10000
Consider,

. Let's say

then the problem reduces to

. (Do you understand this step?)
So then replacing a again with our definition we get,

.
5,595,756,198,388
Step-by-step explanation:
Answer:
The correct option is 1. The circumference of circle is 12π units.
Step-by-step explanation:
From the given figure it is clear that the radius of the circle is6 units.
The circumference of a circle is

Where, r is the radius of the circle.
The circumference of the circle is


The circumference of circle is 12π units.
Therefore option 1 is correct.