triangle , square , rectangle
A rigid shape is when you cant push/pull on it and make it turn into a different shape. You can make shapes rigid by adding "braces", which are lines that you put inside the shape to make triangles (which are rigid). For instance, a square is notrigid. To make it rigid, you would put a brace inside diagonally. This would create TWO triangles, and therefore, rigid. ~xDragonx
An octagonal-based pyramid has 8 side edges and 8 base edges. For the side edges, you would need 8 whole straws, while for the base edges, you would need 4 quarter straws for each base edge, totaling 8 quarter straws. Thus, you would need 8 whole straws for the sides and 8 quarter straws for the base, giving you a total of 8 whole straws and 8 quarter straws.
An octagonal prism has 8 side edges and 8 base edges. If you use whole straws for the 8 side edges, you'll need 8 straws. For the base edges, since you're using quarter straws, you would need 4 quarter straws for each of the 8 edges, totaling 32 quarter straws. Therefore, you would need 8 whole straws and 32 quarter straws.
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The length of a million straws would depend on the average length of a single straw. For standard drinking straws, which are typically about 7.5 to 8 inches long (approximately 19 to 20 centimeters), a million straws would measure around 5.9 miles (or about 9.5 kilometers) in total length. If the straws vary in length, the total length would adjust accordingly.
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.
A rigid shape is when you cant push/pull on it and make it turn into a different shape. You can make shapes rigid by adding "braces", which are lines that you put inside the shape to make triangles (which are rigid). For instance, a square is notrigid. To make it rigid, you would put a brace inside diagonally. This would create TWO triangles, and therefore, rigid. ~xDragonx
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6
To calculate the number of straws needed to make a rectangular prism, you would need to determine the dimensions of the prism (length, width, and height) in terms of the length of a single straw. Then, you would calculate the total number of straws required by multiplying the number of straws needed for each dimension. For example, if the prism is 10 straws long, 5 straws wide, and 3 straws high, you would need 10 x 5 x 3 = 150 straws.
6
6 of them
The length of a million straws would depend on the average length of a single straw. For standard drinking straws, which are typically about 7.5 to 8 inches long (approximately 19 to 20 centimeters), a million straws would measure around 5.9 miles (or about 9.5 kilometers) in total length. If the straws vary in length, the total length would adjust accordingly.
To make a triangular-based pyramid, you would need a total of 6 straws. This includes 3 straws for the triangular base and 3 additional straws connecting each vertex of the base to the apex of the pyramid. The straws form the edges of the pyramid, creating its structure.
assuming the straws do not bend, you would need six
That's going to depend on what shape you're building, which, as far as I can see, you neglected to mention.
16 straws.