SSLC Maths NIOS I Welcome to your SSLC Maths NIOS I Total Questions: 50 Name Mobile No: 1. Isosceles triangle has: Two sides equal All sides equal No equal sides Four sides None Hint 2. A line segment can be copied using: Protractor Divider Compass Scale None Hint 3. Area depends on: Length only Radius only Boundary Length and breadth/height None Hint 4. A triangle with all unequal sides is: Isosceles Right triangle Scalene Equilateral None Hint 5. Each angle of equilateral triangle is: 30° 90° 60° 45° None Hint 6. Locus of a point equidistant from two points is: Straight line Circle Curve Perpendicular bisector None Hint 7. Perimeter of semicircle = πr πr + 2r 2πr πr² None Hint 8. Area of rhombus = a² πr² l × b ½ d₁d₂ None Hint 9. A triangle can be constructed when ____ are known: All of these 2 angles and 1 side 2 sides and included angle 3 sides None Hint 10. Area of rectangle = l + b l² (l + b) l × b None Hint 11. Perimeter of triangle = Radius Sum of all sides Area Half base × height None Hint 12. Circle is drawn using: Protractor Scale Divider Compass None Hint 13. To bisect a line segment we use: Compass Scale Protractor Divider None Hint 14. Unit of perimeter is: cm m³ cm² m² None Hint 15. To construct 90° angle we draw: Perpendicular line Parallel line Curved line Zigzag line None Hint 16. Geometrical constructions must be: Rough Random Accurate Approximate None Hint 17. Perimeter of rectangle = l² l × b b² 2(l + b) None Hint 18. Compass is used to measure: Distance between points Length Area Angle only None Hint 19. Straight angle equals: 360° 180° 90° 120° None Hint 20. Perpendicular bisector divides a line into: Unequal parts Two equal parts Four parts Three parts None Hint 21. Diameter of circle is: Twice radius Quarter radius Half radius Radius None Hint 22. Perimeter of a figure means: Volume Total boundary length Area inside Diagonal None Hint 23. If side of square doubles, area becomes: Same Double Half Four times None Hint 24. Unit of area is: cm m cm² mm None Hint 25. Value of π (approx) = 2.14 3.14 4.13 1.34 None Hint 26. Area of square = 4a a² 2a a³ None Hint 27. Construction is based on: Measurement only Geometry rules Drawing only Guess work None Hint 28. Angle bisector divides an angle into: Four angles Two equal angles Three angles Unequal angles None Hint 29. If radius increases, area of circle: Same Zero Decreases Increases None Hint 30. Full angle equals: 270° 360° 90° 180° None Hint 31. Equilateral triangle has all sides: None equal Two equal Unequal Equal None Hint 32. Radius of circle is: Zero Double of diameter Equal to diameter Half of diameter None Hint 33. If length doubles, perimeter of rectangle: Doubles Same Half Triple None Hint 34. Area of semicircle = ½ πr² πr² 2πr πr None Hint 35. Locus of points equidistant from a fixed point is: Circle Line Triangle Square None Hint 36. Area of a figure means: Height only Boundary length Perimeter Surface inside region None Hint 37. 17. The angle greater than 90° is: Straight angle Right angle Obtuse angle Acute angle None Hint 38. The perpendicular from a point to a line forms: 90° angle 60° angle 120° angle 45° angle None Hint 39. Perimeter of square = 2a a² a³ 4a None Hint 40. Area is measured in: Square units Linear units Cubic units None None Hint 41. The main tool used for geometric constructions is: Scale only Divider only Compass and ruler Protractor only None Hint 42. Area of triangle = 2 × b × h b × h b + h ½ × b × h None Hint 43. Angle of 60° is constructed using: Square Compass Divider Scale None Hint 44. Diameter of circle = πr r² r 2r None Hint 45. To construct parallel lines we use: Scale only Ruler and compass Compass Divider None Hint 46. chapter 20 PERIMETERS AND AREAS OF PLANE FIGURES Area of parallelogram = b × h b + h l × b ½ bh None Hint 47. Circumference of circle = r² πd² πr² 2πr None Hint 48. Area of trapezium = a × b l × b ½ (a + b)h 2(a + b) None Hint 49. Perimeter measures: Outer boundary Inside region Height Area None Hint 50. Area of circle = πr² 2πr πd r² None Hint Time's up Share: admin Previous post SSLC Data Entry Nios I February 19, 2026 Next post SSLC Maths NIOS II February 19, 2026