What is common between the three sequences mentioned below 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21; 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66; -27, -24, -21, -18, -15, -12, -9. All of the above sequences are Arithmetic progressions abbreviated as AP. And what do we mean by …
What is one common thing between a right-angled triangle and an isosceles triangle? Both of these figures are triangles! The concept of similarity deals with the physical appearance of any figure. If both the figures/shapes look same, although one has a comparatively larger area than the other, then the figures are called as similar structures. …
Imagine you have a sports event at your school. To conduct the running race, the rectangular school ground is divided into ten columns, each of 1m. Each column is separated by its adjacent ones with a line made up of chalk powder. On similar lines, there are 10 rows made, each of 1m, to see …
Triangles are polygons with least number of sides, i.e three. Interestingly you can divide any complex polygon into several triangles. This method is often used to calculate the area of a complex polygon by breaking it into triangles, thus reducing the complexity of calculation. Watch our videos to learn more about triangle, right-angled triangle, isosceles …
Shapes like squares, rectangles, rhombus, parallelogram are all Quadrilaterals. And what is a quadrilateral? We have already studied this in the previous grades. Quadrilaterals are the shapes that have 4 sides, 4 angles, and 4 vertices. Want to know what conditions will categorize a quadrilateral as trapezium or a rhombus? Follow our videos to explore …
Wondering why this chapter is named as the area of parallelogram and triangle? What is the relation between them? To your surprise, a parallelogram is made from at least two triangles! Does it help us in any way? It surely does. Based on this, we can easily find the area of a parallelogram. There are …
The wheel is considered as one of the best inventions made by the humankind. As you may know, the wheel is circular in shape. So it was the concept of a circle which is making our life easier in every field. Without that, we won’t have been reaching to great distances. If you have a …
Things look far different in real life as against their pictorial depictions. It is because pictorial depictions, make us understand the architecture of any design or structure in a specific way. To understand the architecture, it is necessary for us to be equipped with the knowledge of using specific tools and constructing the shapes. In …
In our previous grades, we learned the formula to calculate the area of the triangle. Can you recall that? ½ (Base x Height). Let’s consider a triangle. The sides of the triangle measures, 4 cm, 3 cm and 6 cm. Now, can you calculate the area? By using the above formula, we cannot. So what …
Can you tell what is the difference between the surface area and the total surface area of any shape? Both sound the same, right? So why do we have two different formulae for these? You will know the answers to these questions yourself, once you start observing shapes and figures closely. In this chapter, we …
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