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...history. From Greek vases and medieval windows to Victorian tiles and Native American decorations, symmetry has been seen as a way of achieving balance and beauty. Symmetry can be described mathematically, and is a useful concept when dealing with shapes...Geometry: 2.6 Line symmetry - Look at the shapes below. The symmetry of the shape on the left and its relationship to...

...family and employers, and on social media. Badges are a great motivation, helping you to reach the end of the course. Gaining a badge often boosts confidence in the skills and abilities that underpin successful study. So, completing this course could encourage you to think about taking other courses...Introduction and guidance: How to get a badge - Getting a badge is...

...history, we actually found planets that don’t orbit our own Sun, that they orbit other suns, other stars that you see in the night sky. We found more than 3000 already, and that number allows us to estimate how many are out there. And so we know that around every second star out there is at least a planet because smaller planets are incredibly hard to find so there...

...family estate. He proposes to leave one divided by two of the estate to his son, one divided by three to his daughter and one divided by six to his brother. Who gets the biggest share? Who gets the smallest share? Method When numerators of fractions are all 1, the larger the denominator of the fraction, the smaller the fraction. Looking at the example above, the fractions...