Class 10 Mathematics Quiz
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Questions and Answers

What is the formula to find the area of a circle?

  • A = 1/2πr^2
  • A = πr^2 (correct)
  • A = 2πr
  • A = πr

    • Which trigonometric ratio is equal to the opposite side divided by the hypotenuse in a right-angled triangle?

  • Cosine
  • Tangent
  • Cosecant
  • Sine (correct)

    • What is the value of 'i' in the equation x^2 + 1 = 0, where 'i' is the imaginary unit?

  • i = -1
  • i = 0
  • i = 1
  • i = √(-1) (correct)

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