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This quiz consists of 5 multiple choice and 5 short answer questions through Euclid and the Infinitude of Primes.

## Multiple Choice Questions

**1. What did the Pythagorean Theorem accomplish for mathematics?**
**(a)** The ability to find square roots. **(b)** The concept of providing a logical proof. **(c)** The ability to measure angles. **(d)** The concept of constructing useful mathematics.

**2. Which was true of Euclid's number theory?**
**(a)** It was incorrect, as proved by Plato. **(b)** It has an impact on modern math. **(c)** It has been proven too basic to be useful. **(d)** It was proven to the true by Hippocrates.

**3. Numbers whose divisor add up to itself, was considered which type of number according to Euclid?**
**(a)** Even number. **(b)** Perfect number. **(c)** Composite number. **(d)** Nominal number.

**4. Which of the following becomes an important definition in mathematics that was first presented in Elements?**
**(a)** 180 degree angle. **(b)** Intersection. **(c)** Parallel line. **(d)** Circle.

**5. Which of the following was NOT one of the basic definitions in Elements?**
**(a)** Parabola. **(b)** Right angles. **(c)** Straight Line. **(d)** Line.

## Short Answer Questions

**1.** Who was the author of the book Elements?

**2.** Which shapes as described by Euclid, inspired the Greek philosopher Plato?

**3.** What does the Pythagorean Theorem state?

**4.** Which of the following were an example of twin primes?

**5.** Which is a geometric concept that humans have been aware of since the dawn of agriculture?

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