NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 10 – Mathematics Areas Related To Circles – Exercise 12.2 Exercise 12.2 Question : 1:Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°. Answer : Given, radius of…
Class 10 – Mathematics Constructions – Exercise 11.1 Exercise 11.1 Question : 1:Draw a line segment of length 7.6 cm and divide it in the ratio 5 : 8. Measure the two parts. Give the justification of the construction. Answer…
Class 10 – Mathematics Constructions – Exercise 11.2 Exercise 11.2 Question : 1:Draw a circle of radius 6 cm. From a point 10 cm away from its centre, construct the pair of tangents to the circle and measure their lengths.…
Class 10 – Mathematics Circles – Exercise 10.2 Exercise 10.2 Question : 1: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…
Class 10 – Mathematics Circles – Exercise 10.1 Exercise 10.1 Question : 1:How many tangents can a circle have? Answer : A circle can have infinite number of tangents because a circle can have infinite number of points on it…
Class 10 – Mathematics Introduction To Trigonometry – Exercise 8.4 Exercise 8.4 Question : 1:Express the trigonometric ratios sin A, sec A and tan A in terms of cot A. Answer : (i) sin A = √(sin2 A) = √(1/coses2…
Class 10 – Mathematics Application To Trigonometry – Exercise 9.1 Exercise 9.1 Question : 1:A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground. Find…
Class 10 – Mathematics Introduction To Trigonometry – Exercise 8.3 Exercise 8.3 Question : 1:Evaluate : (i) sin 18o/cos 72o (ii) tan 26/cot 64o (iii) cos 48o – sin 42o (iv) cosec 31o – sec 59o Answer : (i) sin 18o/cos…
Class 10 – Mathematics Introduction To Trigonometry – Exercise 8.2 Exercise 8.2 Question : 1:Evaluate the following : (i) sin 60o cos 30o + sin 30o cos 60o (ii) 2 tan2 45o + cos2 30o – sin2 60o (iii) cos…
Class 10 – Mathematics Introduction To Trigonometry – Exercise 8.1 Exercise 8.1 Question : 1:In Δ ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine: (i) sin A, cos A (ii) sin C, cos C Answer…
Class 10 – Mathematics Coordinate Geometry – Exercise 7.4 Exercise 7.4 Question : 1:Determine the ratio in which the line 2x + y – 4 = 0 divides the line segment joining the points A(2, – 2) and B(3, 7).…
Class 10 – Mathematics Coordinate Geometry – Exercise 7.3 Exercise 7.3 Question : 1:Find the area of the triangle whose vertices are: (i) (2, 3), (–1, 0), (2, – 4) (ii) (–5, –1), (3, –5), (5, 2) Answer : (i)…