E4M 4/2023

1. Fill in the blank: There are … postulates in Euclid Geometry 

• 4 

• 5 

• 6 

• 7 

Answer explanation

Postulate = Axiom: Tiên đề 

How many dimensions does a point have? 

•  0 

   

• 1 

•  2 

•  3  

Which of the following is a Pythagorean triplet? 

•  (2,3,5) 

•  (5,12,13) 

•  (6,8,9) 

•  (9,12,16) 

If a, b and c are the lengths of the three sides of a triangle, which of the following inequality is always correct? 

What type of geometric drawing is shown below? 

 

•  Line 

•  Ray 

•  Line segment 

•  Angle 

ABCDEF is a regular hexagon. AB = n. What is the length of FD? 

• n

• 2n

In triangle OAB, P is the midpoint of AB. Find the vector OP in terms of vector OA and vector OB. 

Find x in the following picture. 

What's the measure of angle L?

•  4 

• 2

• 3

• 16