In this page, each and every question originate with a step-wise solution. Moreover, it is a perfect guide to class 9 maths ch 10 ex 10.2 mg you to score good marks in CBSE board examination. With the aim of imbibing skills and hard work among the students, the 10th class maths NCERT solutions have been designed.
Real Numbers Class 10 has total of four exercises consists of 18 Problems. Other topics included are Fundamental Theorem of Arithmetic, important properties of positive integers, fraction to decimals and decimals to a fraction.
Polynomials Class 10 has total of four exercises consists of 13 Questions. Problems related to finding polynomials, Properties zeros and coefficient, long division of polynomials, finding a quadratic polynomial, finding class 9 maths ch 10 ex 10.2 mg of polynomials are scoring topics.
Pair of Linear Equations Class 10 has total of seven exercises consists of 55 Problems. The problems will be based on concepts like linear equations in two variables, algebraic methods for solving linear equations, elimination method, cross-multiplication method Time and Work, Age, Boat Class 9 maths ch 10 ex 10.2 mg and equations reducible to a pair of linear equations these answers will give you ease in solving problems related to linear equations.
Quadratic Equations Class 10 has total of four exercises consists of 24 Problems. The Questions are related to find roots of quadratic equations and convert world problem into quadratic equations are easily scoring topics in board exams. Arithmetic Progressions Class 10 has total of four exercises consists of 49 Problems.
Triangles Class 10 has total of six exercises consists of 64 Problems. The Questions are based on properties of triangles and 9 important theorems which are important in scoring good marks in CBSE Class 10 Exams. Coordinate Geometry Class 10 has total of four exercises consists of 33 Problems. The Questions related to finding the distance between two points using their coordinates, Area of Triangle, Line divided in Ratio Section Formula are important models in class 10 boards.
Introduction to Trigonometry Class 10 has total of four exercises consists of 27 Problems. The questions based on trigonometric ratios of specific angles, trigonometric identities and trigonometric ratios of complementary angles are the main topics you will learn in this chapter. Some Applications of Trigonometry Class 10 has one exercise consists of 16 Problems. In this chapter, you will be studying about real life applications of trigonometry and questions are based on the practical applications of trigonometry.
Circle Class 10 has total of two exercises consists of 17 Problems. Understand concepts such as tangent, secant, number tangents from a point to a circle and. Constructions Class 10 has total of four exercises consists of 14 Problems. The Questions are based on drawing tangents and draw similar triangles are important topics.
Areas Related to Circles Class 10 has total Class 9 Maths Ch 10 Ex 10.2 Online of three exercises consists of 35 Problems. Surface Areas and Volumes Class 10 has total of five exercises consists of 36 Problems. The problems are based on finding areas and volumes of different solids such as cube, cuboid and cylinder, frustum, combination of solids.
Statistics Class 10 has total of four exercises consists of 25 Problems. Problems related to find mean, mode or median of grouped data will be studied in this chapter. Solve questions by understanding the concept of cumulative frequency distribution.
Probability Class 10 has total of two exercises consists class 9 maths ch 10 ex 10.2 mg 30 Problems. Questions based on the concept of theoretical probability will be studied in this chapter. Class 10 maths is having 15 chapters to learn by the students in this academic year. NCERT Solutions are designed in a way that every student can quickly understand the concept into their minds and clarifies all their doubts within a few seconds.
The book is self-explanatory and helps students to innovate and explore in maths. What are the best reference books for class 10 CBSE? If you have any questions, ping us through the comment section below and we will get back to you as soon as possible. RD Sharma Class 12 Solutions. Watch Youtube Videos.
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Circle: A circle is the collection of all points in a plane, which are at a fixed distance from a fixed point in the plane. Diameter: It is the longest chord of the circle.
Circumference: The length of complete circle is called its circumference. Arc: A piece of circle between two point is called arc. Segment: The region between a chord and either of its arcs is called a segment of circular region. Equal chords of a circle subtend equal angles at the centre.
If the angles subtended by two chords of a circle at the centre are equal, the chords are also equal. The perpendicular from the centre of a circle to a chord bisects the chord. The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord.
There is one and only one circle passing through three non-collinear points. Because, between chord and arc a segment is formed. Sector is the region which is formed between radii and arc.
Ex From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm. The radius of the circle is a 7 cm b 12 cm c 15 cm d Prove that the tangents drawn at the ends of a diameter of a circle are parallel. Prove that the perpendicular at the point of contact to the tangent to a circle passes through the centre.
The length of a tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. Solution: We have a circle having a chord AB equal to radius of the circle. Solution: The angle subtended by an arc of a circle at its centre is twice the angle subtended by the same arc at a point pn the circumference.
In figure, A, B and C are four points on a circle. ABCD is a cyclic quadrilateral whose diagonals intersect at a point E.
Solution: Since angles in the same segment of a circle are equal. If diagonals of a cyclic quadrilateral are diameters of Class 9 Maths Ch 10 Ex 10.2 English the circle through the vertices of the quadrilateral, prove that it is a rectangle.
If the non � parallel sides of a trapezium are equal, prove that it is cyclic. Two circles intersect at two points B and C. Solution: Since, angles in the same segment of a circle are equal. If circles are drawn taking two sides of a triangle as diameters, prove that the point of intersection of these circles lie on the third side. They intersect at a point D, other than A. Let us join A and D. Thus, D lies on BC. Case � I: If both the triangles are in the same semi-circle.
Join BD. DC is a chord. Case � II : If both the triangles are not in the same semi-circle. Prove that a cyclic parallelogram is a rectangle. Since, ABCD is a cyclic quadrilateral. Thus, ABCD is a rectangle. Prove that the line of centres of two intersecting circles subtends equal angles at the two points of intersection.
Two chords AB and CD of lengths 5 cm and 11 cm, respectively of a circle are parallel to each other and are on opposite sides of its centre. If the distance between AB and CD is 6 cm, find the radius of the circle. Solution: We have a circle with centre O. Let r cm be the radius of the circle. The lengths of two parallel chords of a circle are 6 cm and 8 cm.
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