Pi
Math Principles
Geometry
Math Riddles
Mathematicians
100

Question: The mathematical symbol for pi is from what language?

Answer: What is Greek?

100

Question: In calculus, what is the derivative of the sine function?

Answer: What is the cosine function?

100

Question: What is the term for a quadrilateral with opposite sides parallel and equal in length?

Answer: What is a parallelogram?

100

Riddle: I am a shape with three sides, but my angles are not all the same. One angle is acute, one is obtuse, and one is right. What am I?

Answer: What is a scalene triangle?

100

Question: Who is often considered the greatest mathematician of all time and formulated the laws of motion and universal gravitation?

Answer: Who is Isaac Newton?

200

Question: Pi is the ratio of the circumference of a circle to its diameter. What is the formula for calculating the circumference of a circle using pi?

Answer: What is C = 2πr?

200

Question: In geometry, what is the name of the theorem that states in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides?

Answer: What is the Pythagorean theorem?

200

Question: In a right triangle, what is the side opposite the right angle called?

Answer: What is the hypotenuse?

200

Question: I am a prime number between 20 and 30. What number am I?

Answer: What is 23?

200

Question: Which mathematician formulated the Pythagorean theorem?

Answer: Who is Pythagoras?

300

Pi is an irrational number, meaning it cannot be expressed as a simple fraction. What is the approximate value of pi to 4 decimal places?

What is 3.1415

300

Question: In physics, what is the name of the law that states every point mass attracts every other point mass by a force acting along the line intersecting both points?

Answer: What is Newton's Law of Universal Gravitation?

300

Question: What is the sum of the interior angles of a hexagon?

Answer: What is 720 degrees?

300

Question: What three positive numbers give the same answer when multiplied and added together?

Answer: What are 1, 2, and 3?

300

Question: Who is famous for his equation E=mc2, which describes the relationship between mass and energy?

Answer: Who is Albert Einstein?

400

Question: In what year did the earliest known calculation of pi date back to?

Answer: What is around 250 BC?

400

Question: In statistics, what is the name of the distribution that is symmetrical and bell-shaped, with the mean, median, and mode all equal?

Answer: What is the normal distribution (or Gaussian distribution)?

400

Question: What is the name of the point where the three medians of a triangle intersect?

Answer: What is the centroid?

400

Question: I am an even number. If you subtract one from me, you get a number that is divisible by 7. What number am I?

Answer: What is 8?

400

Question: Who is known as the "Father of Geometry"?

Answer: Who is Euclid?

500

Question: What is the name of the mathematician who was the first to use the symbol π to represent the mathematical constant?

Answer: Who is William Jones?

500

Question: What is the name of the famous mathematical constant equal to approximately 2.71828...?

Answer: What is e (Euler's number)?

500

Question: In geometry, what do we call a polygon with 12 sides?

Answer: What is a dodecagon?

500

Riddle: I am a shape formed by taking a square and twisting it. I have only one surface, but no edges or vertices. What am I?

Answer: What is a Möbius strip?

500

Question: This mathematician is famous for his work in game theory, which earned him the Nobel Prize in Economics, and for his contributions to cryptography during World War II.

Answer: Who is John von Neumann?

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