# Tag Archives: NCERT Solutions Class-10

Question 1. Find the area of the shaded region in Fig., if PQ = 24 cm, PR = 7 cm and O is the center… Read More
Chapter 6 Triangles – Exercise 6.5 | Set 1  Question 11. An aeroplane leaves an airport and flies due north at a speed of 1,000… Read More
Question 1. Sides of triangles are given below. Determine which of them are right triangles? In the case of a right triangle, write the length… Read More
Question 1. Find the coordinates of the point which divides the join of (–1, 7) and (4, –3) in the ratio 2 : 3. Solution:… Read More
Chapter 12 Areas Related to Circles – Exercise 12.3 | Set 1 Question 11. On a square handkerchief, nine circular designs each of radius 7… Read More
Question 1) Find the distance between the following pairs of points: (i) (2,3), (4,1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (-a, -b) Solution:… Read More
Question 1. A copper wire, 3 mm in diameter, is wound about a cylinder whose length is 12 cm, and diameter 10 cm, so as… Read More
Question 1. Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday). Each is equally likely to visit… Read More
Question 1. Evaluate : (i) sin 18° / cos 72° Solution: Since,  cos 72°  = cos ( 90° – 18° ) = sin 18° Therefore,  sin… Read More
Question 1. In Fig., PS is the bisector of ∠QPR of ΔPQR. Prove that Solution: Given: PS is angle bisector of ∠QPR. To prove:  Construction:… Read More
Question 1. Find the area of the triangle whose vertices are: (i) (2, 3), (-1, 0), (2, -4) Solution: Area = 1/2 [x1(y2 – y3)… Read More
Question 1. Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°. Solution: Given: r=66cm… Read More
Chapter 12 Areas Related to Circles – Exercise 12.2 | Set 1  Question 8. A horse is tied to a peg at one corner of… Read More
Question 1. A drinking glass is in the shape of a frustum of a cone of height 14 cm. The diameters of its two circular… Read More
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… Read More