Answer:

Step-by-step explanation:
Given the rectangle of 3cm by 4cm and a circle of 1 cm inside it:
The Area of the shaded portion =Area of Rectangle-Area of Circle
Area of a Rectangle=Length X Width
Area of the circle =
Area of the shaded portion=12-3.142

Answer:
i have not done this in a year or 2 but i believe it is
2 5/28
Step-by-step explanation:
i may be wrong
Every cross-section of a sphere will be a circle.
Answer: circle
Any further questions about this? Or how I got my answer?