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6 straws are needed
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How many straws would you need to make a triangular prism?
To create a triangular prism using straws, you would need a minimum of 6 straws. This is because a triangular prism has two triangular faces and three rectangular faces. Each triangular face would require 3 straws, and each rectangular face would require 2 straws. Therefore, the total number of straws needed would be 2 (for the triangular faces) + 3 (for the rectangular faces) = 6 straws.
How many straws needed to make a square pyramid?
8 straws 4 for the square base 4 for 1 each of the sides, to meet at the top.
How many straws will make a cube?
12 straws
How do you make 3 squares out of 4 long straws and 4 short straws?
<X X> It should look kinda like the example above. Except it would be squares lol. Make two crosses with the 4 long straws put the ends of these together so that one square is made then make two right angles with the four short straws and place them at the other side of each cross to make three squares in a diagonal line. :)
What two triangular numbers make sixteen?
6 and 10 are triangular numbers that make 16.
