CBSE Class 10 Areas related to circles Sure Shot Questions

CBSE Class 10 Areas related to circles Sure Shot Questions. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

1. If the perimeter of a semicircular protractor is 36 cm, find its diameter.

2. A bicycle wheel makes 5000 revolutions in moving 11 km. Find the diameter of the wheel.

3. The diameter of the wheels 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?

4. Two circles touch externally. The sum of their areas is 130Π sq. cm and the distance between their centres is 14 cm. Find the radii of the circles.

5. Two circles touch internally. The sum of their areas is 116Π sq. cm and the distance between their centres is 6 cm. Find the radii of the circles.

6. A paper is in the form of a rectangle ABCD in which AB = 18 cm and BC = 14 cm. A semicircular portion with BC as diameter is cut off. Find the area of the remaining paper.

7. A square ABCD is inscribed in a circle of radius r. Find the area of the square.

8. Find the area of a right-angled triangle, if the radius of its circumcircle is 2.5cm and the altitude drawn to the hypotenuse is 2cm long.

9. A steel wire, bent in the form of a square, encloses an area of 121 sq. cm. The same wire is bent in the form of a circle. Find the area of the circle.

10. 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. 

11. A circular park, 42 m diameter, has a path 3.5 m wide running round it on the outside. Find the cost of gravelling the path at Rs. 4 per m².

12. A road, which is 7m wide, surrounds a circular park whose circumference is 352m. Find the area of the road.

13. 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 it area.

14. From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of theremaining sheet. (TakeΠ = 3.14)

15. Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the lengthof the lace required and also find its cost if one meter of the lace costs Rs 15. (Take Π = 3.14)

16. A circle of radius 2 cm is cut out from a square piece of an aluminium sheet of side 6 cm. Whatis the area of the left over aluminium sheet? (Take Π = 3.14)

17. The circumference of a circle is 31.4 cm. Find the radius and the area of the circle? (TakeΠ =3.14) 

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