❾Areas Related to Circle
MCQs
1.Kavitha has a lamp placed at the centre of her square yard, each side measuring 20 m. The light of lamp covers a circle of radius 10 m on yard. What area of the yard is NOT lit by the lamp?
A. 400Ļ sq. m B. 100Ļ sq. m
C. (40 - 10Ļ) sq. m D. (400 - 100Ļ) sq. m
SAQs & LAQs
1.Find the area of the minor segment of a circle of radius 14 cm, when the angle of the corresponding sector is 60°.
2. A circular pond is 21 m in diameter. It is surrounded by 3.5 m wide path. Find the cost of constructing the path at the rate of Rs. 25 per sq.m
3.Find the area of a sector of circle of radius 21 cm and central angle 120°. [Use p = 22/7 ]
4.The following figure consists of a rectangle and a semi-circle. Find its area and perimeter
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