The formula for finding the area of the circle works because they made it especially for it. I don’t really know how else to describe it, it simply just works.
Answer:
126
Step-by-step explanation:
52 * 3 = 126
Answer:
x=11 and the number of solutions is one solution
Step-by-step explanation:
The square root of 121 is 11. There are no other solutions, I believe.