School math, multimedia, and technology tutorials.
If you think mathematics is a subject for people who never smile, you are quite wrong. Sometimes it has its perks too. Like being able to create the funny mathematics posters below.
Fine Line
Oregon
The word MATH has a vertical line of symmetry. The parts of the letters on the left of the vertical line are reflected on the right. On the other hand, the word DECK has a horizontal line of symmetry. The parts of the letters below horizontal line are reflected above.
The word OHIO is both horizontally and vertically symmetric.
Challenge: Find as many words as you can that are horizontally symmetric, vertically symmetric, and both. What are the longest symmetric words of each kind?
Symmetry is considered by many as a reflection of beauty and perfection. A symmetric object is an object where we can place a line such that the images on both sides of the line mirror each other.
The geometric shapes in the first figure are symmetric. As shown, we can draw a line — in fact more than one line — to show symmetry. The equilateral triangle has three lines of symmetry, the square has four, and the circle has infinitely many. » Read more