given a parallel line xy and zt. Three point A,B,C are on line xy, two point D,E are on line zt. Draws line passing through the pair of point. How many lines are there?

Given that 4 points A, B, C, D are on the same line. How many segments are there?

Given that 4 points A, B, C, D are on the same line. How many segments are there?

Given that 4 points A, B, C, D are on the same line. How many segments are there?

Given two parallel lines xy & zt. Three points A,B & C are on line xy, two points D & E are on line zt. Draw lines passing through the pairs of points. How many lines are there? (including xy & zt) 

How many triangles are there in the figure below? *

6

1

4

8

Question 1:In a magic triangle, each of the six whole numbers 10; 11; 12; 13; 14; 15 is placed in one of the circles so that the sum, S, of the three numbers on each side of the triangle is the same. The largest possible value for S is____

Q2:Find the highest common factor of 147x and 98y if HCF(x;y)=1

Q3: A pattern of triangles is made from matches shown as follows

if there are 207 matches used, how many triangles has been formed

Question 15: There are seven squares in the picture. How many triangles than squares are there in the picture?