class 10 chapter 12 (area related to circles) class notes

 CBSE Class 10 Maths Notes Chapter 12 Areas related to Circles Circumference of a circle = 2πr Area of a circle = πr2 …[where r is the radius of a circle] Area of a semi-circle = πr22 Area of a circular path or ring: Let ‘R’ and ‘r’ he radii of two circles Then area of...

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Class 10 chapter 11 (CONSTRUCTIONS) class notes

 Notes on Constructions Division of a Line Segment If we have to divide a line segment in particular ratio, then we can do it by measuring the length on the ruler and mark it on the line. But if we don’t have anything to measure then we can do it by using steps of ...

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Class 10 Chapter 10 (Circles) class notes

 CBSE Class 10 Maths Notes Chapter 10 Circles  Circle: A circle is a collection of all points in a plane which are at a constant distance from a fixed point. Centre: The fixed point is called the centre. Radius: The constant distance from the centre is called the radius. Chord:...

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Class 10 Chapter 9 (some applications on trigonometry) class notes

Notes on Some Applications of Trigonometry Trigonometry can be used in many ways in the things around us like we can use it for calculating the height and distance of some objects without calculating them actually. Heights and Distances To find the height of an object or...

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Linear Equations in Two Variables Class notes

Basics Revisited Equation An equation is a statement that two mathematical expressions having one or more variables are equal. Linear Equation Equations in which the powers of all the variables involved are one are called linear equations. The degree of a linear equation...

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Class 10 Chapter 8 (Introduction to Trigonometry) class notes

Notes on Introduction to Trigonometry Trigonometry To find the distances and heights we can use the mathematical techniques, which come under the Trigonometry. It shows the relationship between the sides and the angles of the triangle. Generally, it is used in the case of...

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