Q1, Ex 11.1 | वृत्तों से संबंधित क्षेत्रफल | Area Related to Circle | Class 10 Maths
Introduction and Formulas | वृत्तों से संबंधित क्षेत्रफल | Area Related to Circle | Class 10 Maths | New Syllabus New Course English Medium Class 6 Maths : • Class 6 Maths | All Exercise of All C... Class 7 Maths : • Class 7 Maths | All Exercise of All C... Class 8 Maths : • Class 8 Maths | New Syllabus 2024-25 ... Class 9 Maths : • Class 9 Maths NCERT | New Syllabus 20... Class 10 Math : • Class 10 Maths | New Syllabus 2024-25... New Course In Hindi Medium Class 8 Maths : • In Hindi | Class 8 Maths | All Exerci... Class 9 Maths : • In Hindi | Class 9 Maths | New Syllab... Class 10 Math : • In Hindi | Class 10 Maths | All Exerc... EXERCISE 11.1 EXERCISE 12.1 Q1. Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°. Q2. Find the area of a quadrant of a circle whose circumference is 22 cm. Q3. The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes. Q4. A chord of a circle of radius 10 cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment (ii) major sector. (Use π = 3.14) Q5. In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find: (i) the length of the arc (ii) area of the sector formed by the arc (iii) area of the segment formed by the corresponding chord Q6. A chord of a circle of radius 15 cm subtends an angle of 60° at the centre. Find the areas of the corresponding minor and major segments of the circle. (Use π = 3.14 and 3 = 1.73) Q7. A chord of a circle of radius 12 cm subtends an angle of 120° at the centre. Find the area of the corresponding segment of the circle. (Use π = 3.14 and 3 = 1.73) Q8. A horse is tied to a peg at one corner of a square shaped grass field of side 15 m by means of a 5 m long rope (see Fig. 12.11). Find (i) the area of that part of the field in which the horse can graze. (ii) the increase in the grazing area if the rope were 10 m long instead of 5 m. (Use π = 3.14) Q9. A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into Q10 equal sectors as shown in Find : (i) the total length of the silver wire required. (ii) the area of each sector of the brooch. Q10. An umbrella has 8 ribs which are equally spaced . Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella. 11. A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115°. Find the total area cleaned at each sweep of the blades. Q12. To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle 80° to a distance of 16.5 km. Find the area of the sea over which the ships are warned. (Use π = 3.14) Q13. A round table cover has six equal designs. If the radius of the cover is 28 cm, find the cost of making the designs at the rate of Rs 0.35 per cm2. (Use 3 = 1.7) 14. Tick the correct answer in the following : Area of a sector of angle p (in degrees) of a circle with radius R is Video Quaries chapter 12 वृत्तों से संबंधित क्षेत्रफल | area related to circle chapter 11 वृत्तों से संबंधित क्षेत्रफल | area related to circle q1 exercise 12.2 ch 12 वृत्तों से संबंधित क्षेत्रफल q2 exercise 12.2 ch 12 वृत्तों से संबंधित क्षेत्रफल q3 exercise 12.2 ch 12 वृत्तों से संबंधित क्षेत्रफल q4 exercise 12.2 ch 12 वृत्तों से संबंधित क्षेत्रफल q5 exercise 12.2 ch 12 वृत्तों से संबंधित क्षेत्रफल q6 ex 12.2 class 10 maths chapter 12 area related to circle q7 ex 12.2 class 10 maths chapter 12 area related to circle q8 ex 12.2 class 10 maths chapter 12 area related to circle q9 ex 12.2 class 10 maths chapter 12 area related to circle q1 ex 12.2 class 10 maths chapter 12 area related to circle q2 exercise 12.2 ch 12 area related to circle q3 exercise 12.2 ch 12 area related to circle q4 exercise 12.2 ch 12 area related to circle q5 exercise 12.2 ch 12 area related to circle question 1 ex 12.2 ch 12 area related to circle question 2 ex 12.2 ch 12 area related to circle question 3 ex 12.2 ch 12 area related to circle question 4 ex 12.2 ch 12 area related to circle question 5 ex 12.2 ch 12 area related to circle q5 ex 12.2 class 10 ch 12 वृत्तों से संबंधित क्षेत्रफल q6 ex 12.2 class 10 ch 12 वृत्तों से संबंधित क्षेत्रफल q7 ex 12.2 class 10 ch 12 वृत्तों से संबंधित क्षेत्रफल q8 ex 12.2 class 10 ch 12 वृत्तों से संबंधित क्षेत्रफल q9 ex 12.2 class 10 ch 12 वृत्तों से संबंधित क्षेत्रफल question 5 exercise 12.2 class 10 maths पृष्ठीय क्षेत्रफल और आयतन question 6 exercise 12.2 class 10 maths पृष्ठीय क्षेत्रफल और आयतन
