NCERT Solutions for Class 10 Maths (with Videos)

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Perimeter of a closed figure can be find by adding the length of all its sides. Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients.

Simple problems on equations reducible to linear equations. After some time, the angle of elevation reduces to 30°.

NCERT Solutions For Class 10th Maths Chapter 10 : All Q&A

Draw a circle and two lines parallel to a given line such that one is a tangent and the other, a secant to the circle. 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 24. Prove that the tangents drawn at the ends of a diameter of a circle are parallel. Radii of the circle to the tangents will be perpendicular to it. Hence Proved 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. Hence, our supposition is wrong. The length of a tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. Find the radius of the circle. Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle. Answer Let the two concentric circles with centre O. Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the centre. Answer Consider a circle with centre O. Prove that the parallelogram circumscribing a circle is a rhombus. Prove that opposite ncert class 10 maths chapter 1 of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle.

All the best for better learning of your maths concepts. Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Real Number. Find the distance travelled by the balloon. The angle of elevation of the bird, from a point on the ground is 45°. It has many applications related to the divisibility properties of integers. This solution provides you a better and easy understanding way, so students understand the concepts in a very easy and structured way. The Fundamental Theorem of Arithmetic, on the other hand, has to do something with the multiplication of positive integers. It too has some very deep and significant applications in the field of mathematics that shall be learned through this chapter.