Perimeter of Circle | Areas Related To Circles | CBSE | Class 10 | Math
By Shiksha Abhiyan
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Episodes: 8
Description
This podcast is a part of a series for, CBSE Class 10 Maths. We recommend that you take a look at our YouTube channel, to enter this new world of virtual learning at its best. || Youtube: Shiksha Abhiyan || t.ly/dN9j8 ||
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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. Find the increase in the grazing area if the rope were 10 m long instead of 5m.
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Oct 26, 2020 |
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Q7. A broach 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 ten equal sectors. Find the total length of the silver wire required.
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Oct 26, 2020 |
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Q6. A car has wheels which are 80 cm in diameter. How many complete revolutions does each wheel make in 10 minutes, when the car is travelling at a speed of 66 km an hour?
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Oct 26, 2020 |
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Q5. The diameter of each wheel of a bus is 140 cm. how many revolutions per minute must a wheel make in order to move at a speed of 66 km per hour?
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Oct 26, 2020 |
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Q4. A racetrack is in the form of a ring whose inner and outer circumference are 437 m and 503 m respectively. Find the width of the track and also its area.
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Oct 26, 2020 |
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Q3. A road which is 7 m wide surrounds a circular park whose circumference is 352 m. find the area of the road.
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Oct 26, 2020 |
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Q2. A circular park, 42 m in diameter , has a path 3.5 m wide running round it on the outside. Find the cost of gravelling the path at ₹ 20 perm².
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Oct 26, 2020 |
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Q1. A wire is looped in the form of a circle of radius 28 cm. it is rebent into a square form. Determine the length of the side of the square.
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Oct 05, 2020 |