Class 7 International Maths Olympiad Quiz

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Questions and Answers

What is the sum of the interior angles of a regular hexagon?

  • 720 degrees (correct)
  • 540 degrees
  • 660 degrees
  • 600 degrees

If a circle has a radius of 5 units, what is the area of the circle?

  • 25Ï€ square units (correct)
  • 100Ï€ square units
  • 25 square units
  • 50 square units

Which of the following is the correct formula for finding the volume of a cone?

  • 1/2Ï€r^2h
  • 1/3Ï€r^2h (correct)
  • 2/3Ï€r^2h
  • 1/3Ï€r^2

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Study Notes

Geometry Formulas

  • The sum of the interior angles of a regular hexagon is 720 degrees.
  • The area of a circle with a radius of 5 units is 25Ï€ square units.
  • The correct formula for finding the volume of a cone is V = (1/3)Ï€r²h, where r is the radius and h is the height.

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