Mensuration 2D Quiz – 2 February 10, 2012 by kumar 1. The length of wire by which a goat must be tethered in order that she may be able to graze an area of 9856 sq.m isA. 56 mB. 45 mC. 68 mD. 23 m 2. What is the area of a rhombus whose 2 diagonals are 32 cm and 24 cm respectively?A. 450 cm^2B. 350 cm^2C. 560 cm^2D. 120 cm^2 3. A square field with side 30 m is surrounded by a path of uniform width.If the area of the path is 256 cm^2 ,the width of the path isA. 2mB. 4mC. 6mD. 10m 4. The area of the equilateral triangle is √3 cm^2,then what is the side?A. 4 cmB. 5 cmC. 2 cmD. 1 cm 5. What is the diagonal of the square when area is 49 cm^2?A. 7 xB. 14 xC. √2 xD. 7x√2 6. If a radius of a circle is 6 cm has the same area of a triangle of base of 6 cm.The altitude of the triangle in cm isA. 3 πB. 12 πC. 8πD. 7π 7. The sides of the triangle are 12 cm ,5 cm and 13 cm.What is the areaA. 20 sq.cmB. 45 sq.cmC. 30sq.cmD. 45 sq.cm 8. Three equal circles are described with the vertices of a triangle as centres .If the radius of each circle is r,the sum of the areas of the portions of the circles intercepted in the triangle isA. πr^2/2B. πr^2C. 5πr^2D. 2π 9. The ratio of the area of a square to that of the square drawn on its diagonal isA. 2:3B. 5:6C. 3:5D. 1:2 10. The area of the floor of a room is 651 sq.m and the two longer walls together 806 sq.m.What is the length of the room?A. 30 mB. 29 m C. 45 mD. 19 m 11. What is the area of the triangle when the side of the triangle are 3 a,4 cm and 5 cm respectivelyA. 7 sq.cmB. 6 sq.cmC. 5 sq.cmD. 8 sq.cm 12. The circumference of 2 concentric circles are 176 m and 132 m respectively.What is the difference between their radius?A. 8 mB. 4 mC. 6 mD. 7 m 13. The diameter of the circle is 105 cm less than the circumference.what is the diameter of the circleA. 45 cmB. 12 cmC. 49 cmD. 47 cm 14. The radius of the circle is reduced by 50% its area will be reduced byA. 45%B. 85%C. 50%D. 100% 15. What is the area of the circle, when circumference is 352 mA. 3456 m^2B. 8978 m^2C. 9356 m^2D. 6789 m^2 Related posts: Mensuration – 2D Quiz 1 Mensuration 3D Quiz -1 Mensuration 3D Quiz 2