Important Questions Worksheet of Area Related to Circles
1.The radii of two circles are 19cm and 9cm respectiv ely. Find the radius of the circle which has its circumference equal to the sum of the circumference of the two circles
2.An umbrella has 8 ribs, which are equally spaced, a ssuming umbrella to be a flat circle of radius 45 cm. Find the area between two c onsecutive ribs of the umbrella.
3.The diameter of a circular pond is 17.5m. It is sur round ed by a path of width 3.5m. Find the area of the path
3.The cost of fencing a circular field at the rate of Rs. 24 per metre is Rs. 5280. The field is to be ploughed at the rate of Rs. 0.50 Per m 2 . Find the cast of ploughing the field. 4.The area of an equilateral ABC ∆ is 1732.5cm 2 with each centre of the triangle as vertex a circle is drawn with radius equal to half the length of the side of triangle find the area of the shaded region.[pi=3.14 and underroot 3=1.73205]
5. The cost of fencing a circular field at the rate of Rs. 24 per metre is Rs. 5280. The field is to be ploughed at the rate of Rs. 0.50 Per m 2 . Find the cast of ploughing the field.
6. The radius of a radius of a circle is 20cm Three more concentric circles are drawn inside it in such a manner that it is divided into four parts of equal area. Find the radius of the largest of the three concentric circle
1.The radii of two circles are 19cm and 9cm respectiv ely. Find the radius of the circle which has its circumference equal to the sum of the circumference of the two circles
2.An umbrella has 8 ribs, which are equally spaced, a ssuming umbrella to be a flat circle of radius 45 cm. Find the area between two c onsecutive ribs of the umbrella.
3.The diameter of a circular pond is 17.5m. It is sur round ed by a path of width 3.5m. Find the area of the path
3.The cost of fencing a circular field at the rate of Rs. 24 per metre is Rs. 5280. The field is to be ploughed at the rate of Rs. 0.50 Per m 2 . Find the cast of ploughing the field. 4.The area of an equilateral ABC ∆ is 1732.5cm 2 with each centre of the triangle as vertex a circle is drawn with radius equal to half the length of the side of triangle find the area of the shaded region.[pi=3.14 and underroot 3=1.73205]
5. The cost of fencing a circular field at the rate of Rs. 24 per metre is Rs. 5280. The field is to be ploughed at the rate of Rs. 0.50 Per m 2 . Find the cast of ploughing the field.
6. The radius of a radius of a circle is 20cm Three more concentric circles are drawn inside it in such a manner that it is divided into four parts of equal area. Find the radius of the largest of the three concentric circle
13.In Akshita’s house there is a flower pot. The sum o f radii of circular top and bottom of a flowerpot is 140 on and the difference of thei r circumference is 88cm. find the diameter of the circular top and bottom.
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