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What is the number of the triangles for five?
The number of triangles that can be formed using five points in a plane depends on the arrangement of those points. If the five points are in general position (no three points are collinear), the number of triangles can be calculated using the combination formula ( \binom{n}{r} ), where ( n ) is the total number of points and ( r ) is the number of points to choose. Therefore, the number of triangles formed by five points is ( \binom{5}{3} = 10 ). If some points are collinear, the number of triangles would be fewer.
How many different triangles can be made with 12 points on a circle?
To determine how many different triangles can be formed with 12 points on a circle, we can use the combination formula. Specifically, we need to choose 3 points from the 12, which is calculated as ( \binom{12}{3} ). This gives us ( \frac{12!}{3!(12-3)!} = \frac{12 \times 11 \times 10}{3 \times 2 \times 1} = 220 ). Therefore, 220 different triangles can be formed with 12 points on a circle.
How do you create three different drawings showing a number of circles and triangles in which the ratio of circles to triangles is 2 to 3?
To create three different drawings showing a number of circles and triangles in which the ratio is 2:3 you can: Start with an equilateral triangle, draw a circle inside it, draw an equilateral triangle inside the circle, draw a circle in the triangle and then draw an equilateral tiangle in the smallest circle. Or, you could draw 3 triangles and 2 circles in a line. Or, you could draw 3 triangles on a line with 2 circles between them.
How many triangles are there in a three by three grid?
9 squares = 18 triangles * * * * * The correct answer is 76. There are 9 points in the grid. You can pick any 3 out of these 9 points in 9*8*7/(3*2*1) = 84 ways. However, 3 will form horizontal lines in the grid, 3 will form vertical lines in the grid, and 2 will form diagonal lines in the grid. None of these 8 triplets will form triangles, but all the rest will. So the answer is 84-8=76.
What can you make with 3 triangles?
we can make a trapezium with 3 equal triangles.
What is the least amount angles a triangle can have?
the answer is three i say that because triangles are pointy there are three points an there all closed so its 3 angles
What do you know about the angles and the linesegments of triangles?
Triangles are joined together by 3 line segments Triangles have 3 interior angles that add up to 180 degrees Triangles have 3 exterior angles that add up to 360 degrees Triangles have no diagonals Triangles will tessellate Triangles can be scalene, obtuse, right angle, isosceles or equilateral Triangles have a perimeter which is the sum of their 3 sides
How do you use 1 hexagon and 3 triangles to make a large triangle?
To create a large triangle using one hexagon and three triangles, first, position the hexagon so that one of its sides is aligned horizontally. Then, place the three triangles around the hexagon, with their bases aligned with the hexagon's sides, forming an outward-facing triangle shape. Ensure that the points of the triangles reach outward to complete the larger triangle's vertices. Adjust the positioning to ensure all shapes fit together seamlessly, creating a cohesive larger triangle.
Are Triangles equilateral triangles?
Triangles are equilateral triangles only when all of their 3 sides are equal in lengths.
How many line segments are needed to make a row of 6 triangles?
To create a row of 6 triangles, each triangle can be formed using 3 line segments. However, since the triangles share sides, the total number of segments needed will be fewer than 18 (6 triangles × 3 segments each). Specifically, for 6 triangles arranged in a row, you need 10 segments: 3 for the first triangle, 1 additional for each of the 5 shared sides between the triangles, and 3 for the last triangle. Thus, the total number of line segments needed is 15.
How many different triangles can be constructed on a 3 by 3 pin board?
All of them.When I was a kid, I found it incredibly hard to create a right-angle triangle.
How many number of triangles in a pentagon?
3 triangles
