The final step is to fold the circular segment so that it can fit atop the circular base. Once you’ve worked this out, you can start drawing out your cone. The arc of the circle segment needs to be the same as the perimeter of the circular base. Remember that for a right triangle, the square of the hypotenuse is the sum of the squares of the other two sides. You can use Pythagoras’ theorem for this. Keep in mind that the radius of the circular base will be equal to that of the slant height and that the length of the circle arc has to be equal to the perimeter of the circular base.īefore you can create the paper patterns, you’ll need to know the radius of the circular sector and the angle. Drawing a circle for the base shouldn’t be a problem as you can just use a compass. To draw the larger circle segment for the slant, you’ll need to calculate the slant length and the angle. Now that you know what constitutes a right circular cone, let’s see how you can make one. You’ll need to make a base, a circular segment for the top of the cone, and the mathematical know-how to make sure it all fits together. A height defined by the distance from the centre of the circular base to the apex.An axis of rotation that passes from the summit of the cone to the centre of the circular base.The right circular cone is made by rotating a right-angle triangle around one of the axes by the right angle. For those out of the loop, here’s a quick reminder. The right circular cone belongs to the pyramid family. Let's go How to Make a Right Circular Cone
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