The triangle has a perimeter of 3 cm. If the circle rolls along a straight line of length 3 cm without slipping, it would need to make three complete turns. The perimeter of the triangle also makes another turn (sum of external angles = 360), so the circle will need to make 4 turns in all.
The circumference of a circle can be found from two different starting points, namely from the diameter or the radius. In your case, the formula you can use right away is Circumference = 2 * pi * radius, giving you a circumference of 12*pi, or approx. 37.7 metres. If you prefer working from the diameter, the formula is Circumference = pi * diameter. To calculate the diameter, double the radius to get 12, and then substitute into the formula. You will again get 12*pi as your answer.
For an equilateral triangle, there are three axes of symmetry. A plane figure is symmetrical about the line l if, whenever P is a point of the figure, so too is P', where P' is the mirror-image of P in the line l. The line is called a line of symmetry (or axis of symmetry), and the figure is said to be a symmetrical by the reflection in the line l. An equilateral triangle with reflection symmetry has two halves that are mirror images of each other. If the shape is folded over its line of symmetry, the two halves of the shape match exactly. So, we can say that the two halves of an equilateral triangle are matched exactly only when its shape is folded over the lines of symmetry that passes through their vertixes and the midpoint of its sides. Thus, an equilateral triangle has three lines of symmetry, and three angles of rotation. If you rotate any shape a full turn, it will look like it did before you rotated it. When you rotate a shape less than a full turn about its center point and it looks exactly as it did before you rotated it, it has rotation symmetry. In an equilateral triangle there are three places in the rotation where the triangle will look exactly the same as its starting position. If we turn the triangle one third of a full turn (60 degrees), the vertex 1 will be at position 3, vertex 2 will be at position 1, and vertex 3 will be at position 2, and the triangle will look like its starting position.
Starting strength.
A semi-regular tessellation is using multiple copies of two (or more) regular polygons so as to cover a plane without gaps or overlaps. The different shapes have sides of the same length and the shapes meet at vertices in the same (or exact reverse) order.The image used with this question:http://file2.answcdn.com/answ-cld/image/upload/w_300,h_115,c_fill,g_face:center,q_60,f_jpg/v1401482497/u6cbkstcqpiibq3485hr.pnguses a regular quadrilateral (a square) and an equilateral triangle. At each vertex, these two shapes, starting with the shape at the top, meet in the following order: TSTTS ot STTST.
a line segment
equilateral triangle
equilateral triangle
Circumference, circumcircle
Period. It is the time it takes for a periodic wave or motion to complete one full cycle, returning to its original position or state.
A radius
The circumference = Pi x the diameter. Pi is the constant number 3.1416. C = 3.1416D. Multiply the diameter by 3.1416.
A complete turn refers to rotating something 360 degrees around its axis, returning it to its original position. This term is commonly used in the context of spinning or twisting objects.
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The circumference is about 3 miles, so convert using that starting point.
A complete wave is called a cycle. It represents one full oscillation of a wave, from its starting position, through its peak, to its lowest point, and back to its starting position.
Yes.
The circumference of a circle can be found from two different starting points, namely from the diameter or the radius. In your case, the formula you can use right away is Circumference = 2 * pi * radius, giving you a circumference of 12*pi, or approx. 37.7 metres. If you prefer working from the diameter, the formula is Circumference = pi * diameter. To calculate the diameter, double the radius to get 12, and then substitute into the formula. You will again get 12*pi as your answer.