Introduction to Euclids Geometry-Important Questions

1.  What is a closed figure formed by three line segments called?

2.  Explain Euclid’s fifth postulate.

3.  Prove that an equilateral triangle can be constructed on any given line segment.

4.  How can you prove that two different lines can’t have more than one point in common?

5.  What is Euclid’s second axiom?

6.  What do you understand by a theorem?

7.  In how many chapters Euclid divided his famous treatise, “The elements”?

8.  If P,Q and R are three points on a line, and Q lies between P and R, then prove that PQ + QR = PR