Pythagorean theorem Assuming that the three sides of a right triangle are a, b, c, and the longest side is c, the Pythagorean theorem is that the equation a²+b²=c² is always true. The equation a²+b²=c² represents three squares created using...
How to calculate the area of a circle If you cut the circles and stick them together, they gradually become more rectangular. In this rectangle, the width is half of the circumference, and the height is the radius. Therefore, The...
Diagonals of Polygons Diagonals are lines that connect the vertices of a polygon. However, segments that connect adjacent vertices are not called diagonal. A triangle has no diagonal because all vertices are adjacent to each other. The rectangle can draw...
