I can do it with 130, in 2-dimensions. In 3-d fewer matchsticks will be required.
You can set how many matches there should be at the beginning of the game from 20 to 24.
901
Depends on whether or not you have drunk coffee recently.
40,8,20,25,35,30,14,9,19,17,22,32,
3
There are 360 degrees around a full circle
2,4,
To create a circle out of bricks, the number of bricks required will depend on the size of the circle and the dimensions of the bricks. The circumference of the circle will determine the length of the perimeter that needs to be covered by bricks. The number of bricks needed can be calculated by dividing the circumference of the circle by the length of a single brick. This will give you an estimate of the total number of bricks needed to form the circle.
26 and 31
you can set any amount you want
You could build 43 or, if you have imagination, 85 of them. Which one is it?