Given:
A circle of radius r inscribed in a square.
To find:
The expression for the area of the shaded region.
Solution:
Area of a circle is:

Where, r is the radius of the circle.
Area of a square is:

Where, a is the side of the square.
A circle of radius r inscribed in a square. So, diameter of the circle is equal to the side of the square.

So, the area of the square is:


Now, the area of the shaded region is the difference between the area of the square and the area of the circle.




Therefore, the correct option is (a).
Answer:
The digit in the ones place is 4 and the digit in the 100ths place is 2
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:

Answer:
4740
Step-by-step explanation:
Unless there are options, then I would need to know that