There are multiple ways in which Anita can divide the sheet of paper for her calendar. First she can have it halved first then, divided by 6 or she can have it divided by 4 and divided each quarter by 3. Either way, each month would take up 1/12 of the total area of the paper.
Hello, I apologise for my late response.
I admit that I'm not the best at drawing XD
My shapes were drawn inaccurately so you have to draw yours more accurate
I chose
1. Isosceles
2. Scalene
3. Equilateral
4. Square
5. Trapezoid
6. Parallelogram
7. Right-angled
8. Volume
9. Rectangle
10. Quadrilateral
If you can't tell the shapes, please tell me