ICSE Board Practice

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ICSE Grade X - Circumference and Area of a Circle

Question 1

1.	If the area of a sector of a circle is 89.79 sq.cm and the area of the circle is 380.29 sq.cm, the length of the arc of the sector is
	16.32 cm 19.32 cm 21.32 cm 11.32 cm 13.32 cm

Question 2

2.	The given figure consists of two quarter circles each of radius 18.00 cm and four semi-circles each of radius 9.00 cm. Find the area of the shaded region
	525.14 sq.cm 527.14 sq.cm 483.14 sq.cm 509.14 sq.cm 494.14 sq.cm

Question 3

3.	Find the area of the shaded region
	72.36 sq.cm 74.36 sq.cm 80.36 sq.cm 77.36 sq.cm 82.36 sq.cm

Question 4

4.	If the width of the ring is 1.00 cm and inner radius is 5.00 cm, the outer circle area is
	97.14 sq.cm 113.14 sq.cm 141.14 sq.cm 118.14 sq.cm 91.14 sq.cm

Question 5

5.	In the given figure, a circle is inscribed touching the sides of an equilateral triangle of side 22 cm. Find the area of the shaded region
	77.82 sq.cm 87.82 sq.cm 85.82 sq.cm 82.82 sq.cm 79.82 sq.cm

Question 6

6.	If the inner and outer radii of a ring are 8.00 cm and 9.00 cm respectively, the outer circle area is
	272.57 sq.cm 247.57 sq.cm 238.57 sq.cm 254.57 sq.cm 281.57 sq.cm

Question 7

7.	If the radius of a circle is 10.00 cm and the angle subtended at the center by the arc of a sector is 109.00°, the perimeter of the sector is
	42.03 cm 39.03 cm 34.03 cm 36.03 cm 44.03 cm

Question 8

8.	If the radius of a circle is 15.00 cm and the length of the arc of a sector is 9.95 cm, the angle subtended at the center by the arc of the sector is
	33.00° 41.00° 38.00° 43.00° 35.00°

Question 9

9.	If the length of the arc of a sector is 14.30 cm and the area of the circle is 531.14 sq.cm, the perimeter of the circle is
	81.71 cm 84.71 cm 86.71 cm 76.71 cm 78.71 cm

Question 10

10.	If diameter of the circle is 18.00 cm, the area of the circle is
	281.57 sq.cm 254.57 sq.cm 247.57 sq.cm 226.57 sq.cm 269.57 sq.cm

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