# Tag Archives: NCERT Solutions Class-10

Question 1. Draw a circle of radius 6 cm. From a point 10 cm away from its centre, construct the pair of tangents to theâ€¦ Read More
Chapter 9 Some Application of Trigonometry – Exercise 9.1 | Set 1 Question 11. A TV tower stands vertically on a bank of a canal.â€¦ Read More
Question 1. Evaluate the following :  (i) sin 60Â° cos 30Â° + sin 30Â° cos 60Â°  Solution: Formulas to be used : sin 30Â° =â€¦ Read More
Question 1. Express the trigonometric ratios sin A, sec A, and tan A in terms of cot A Solution: (i) sin A We know thatâ€¦ Read More
NCERT Theorem 1.5 : Let x be a rational number whose decimal expansion terminates. Then x can be expressed in the form,  where p and qâ€¦ Read More
Theorem 10.1(NCERT) : The tangent at any point of a circle is perpendicular to the radius through the point of contact. Theorem 10.2 (NCERT) :â€¦ Read More
Question 1. A solid is in the shape of a cone standing on a hemisphere with both their radii being equal to 1 cm andâ€¦ Read More
Question 1. Use Euclidâ€™s division algorithm to find the HCF of: (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 Solution: i)135â€¦ Read More
Question 1: Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429 Solutions: (i) 140â€¦ Read More
Question 1. The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x),â€¦ Read More
Question 1. Prove that âˆš5 is irrational. Solution: Let âˆš5 be a rational number. âˆš5 = p/q be a rational number, where p and qâ€¦ Read More
Question 1. A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find theâ€¦ Read More
Question 1. Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also, verify the relationship between the zeroes and theâ€¦ Read More
Question 1. A survey was conducted by a group of students as a part of their environment awareness program, in which they collected the followingâ€¦ Read More
Question 1. In âˆ† ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine : (i) sin A, cos A (ii) sinâ€¦ Read More