The Math Master

Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical

40. What is the formula to find the perimeter of a circle?
    Ans. “Perimeter = 2πr (where r is the radius)”
41. What is, the value, of the imaginary unit, denoted by ‘i’?
    Ans. “√ (-1)”
42. How many sides, does a regular heptagon have,?
    Ans. “7 sides”
43. What is, the formula, to find the area of a trapezoid,?
    Ans. “Area = (1/2) * (sum of parallel sides) * height”
44. What is ,the value of the Euler’s number, often denoted by ‘e’, rounded to two decimal places,?
    Ans. “Approximately 2.72”
45. How many degrees, are there in a right-circular cone,?
    Ans. “360 degrees”
46. What is, the value, of the natural logarithm of 10 (ln(10)), rounded to two decimal places,?
    Ans. “Approximately 2.30”
47. What is ,the formula, to find the volume ,of a rectangular prism,?
    Ans. “Volume = length * width * height”
    48.How many faces, edges, and vertices does a dodecahedron have,?
    Ans. “A dodecahedron has 12 faces, 30 edges, and 20 vertices.”
48. What is, the value, of 4 factorials (4!),?
    Ans. “24”
    50.How many radians, are there in a straight angle,?
    Ans. “π radians”
49. What is, the formula, to find the area of a parallelogram,?
    Ans. “Area = base * height”
    52.What is, the value, of the square root of 5, rounded to two decimal places,?
    Ans. “Approximately 2.24”
    53.How many degrees ,are there in a full turn,?
    Ans. “360 degrees”
50. What is, the formula, to find the volume of a pyramid,?
    Ans. “Volume = (1/3) * base area * height”
51. What is, the value ,of 7 squared (7^2),?
    Ans. “49”
52. How many millimetres, are there in a meter?
    Ans. “1000 millimetres”
53. What is, the formula, to find the circumference of a semicircle,?
    Ans. “Circumference = πr + 2r (where r is the radius)”
    58.What is, the value ,of the cube root of 216,?
    Ans. “6”
54. How many diagonals, does an octagon have,?
    Ans. “20 diagonals”
55. What is, the formula, to find the perimeter of a square,?
    Ans. “Perimeter = 4 * side length”