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Educational video for children in which they will learn to calculate the areas of a square, rectangle, triangle, rhombus and circle. To calculate the area of a square we must know the following formula: the area of a square is equal to side times side, or in other words, the side multiplied by itself. To calculate the area of a rectangle we must know the following formula: the area of a rectangle is equal to base times height. You will see the base represented by a letter “b” and the height by a letter “h”. To calculate the area of a triangle we must know the following formula: the area of a triangle is equal to the base times the height divided by two. To calculate the area of a rhombus we must know the following formula: the area of a rhombus is equal to the major diagonal times the minor diagonal, divided by two. To calculate the area of a circle we multiply pi by the radius squared, that is, pi times the radius multiplied by itself. This video is a very useful and interesting resource for children. It is perfect for teaching how to calculate the area of squares, rectangles, triangles, rhombuses and circles. It is an excellent video for primary education. If you like our videos, download the Smile and Learn app. You will discover thousands of activities including games, interactive stories and videos for children created by educators. Our content is available in SPANISH, ENGLISH, PORTUGUESE, CATALAN, ITALIAN, FRENCH and TURKISH. www.smileandlearn.com