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the circle of fifths is not a math concept. this is in the wrong category. the circle of fifths has to do with scales (the music kind) practice it by doing the scales on your instrument
A net is a concept that is relevant for solid objects, not two-dimensional shapes.
The area of the circle is equal to the combined area of the rectangles formed by cutting the circle into equal-sized triangles and placing them together side by side. This is because the circumference of the circle is equal to the perimeter of the rectangles, which means the area enclosed by the circle is equal to the area of the rectangles. This concept is known as the "circle packing theorem" in mathematics.
Yes, you can fold a circle in halves in various ways, resulting in 15 different orientations. Each fold creates a new semi-circle, and by rotating the circle between folds, you can achieve multiple distinct configurations. While the basic concept of halving remains the same, the angles and positions of the folds can vary widely. This creates a variety of unique folds while still adhering to the principle of bisecting the circle.
The concept of pi has been known by mathematicians for thousands of years whereas the circumference of a circle divided by its diameter is about 22/7. However, the exact value of pi has never been discovered because it is an irrational number whose decimal places go on for ever and ever.