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## Tamilnadu Samacheer Kalvi 6th Maths Solutions Term 1 Chapter 4 Geometry Ex 4.3

Question 1.

Observe the diagram and fill the blanks.

(i) ‘A’, ‘O’ and ‘B’ are ______ points

(ii) ‘A’, ‘O’ and ‘C’ are ______ points

(iii) ‘A’ ‘B’ and ‘C’ are _____ points

(iv) ______ is the point of concurrency

Solution:

(i) Collinear

(ii) non-collinear

(iii) non-collinear

(iv) 0

Question 2.

Draw any line and mark any 3 points that are collinear.

Solution:

L, M, N are collinear points

Question 3.

Draw any line and mark any 4 points that are not collinear.

Solution:

X, Y, Z and A are non-collinear points.

Question 4.

Draw any 3 lines to have a point of concurrency.

Solution:

l_{1}, l_{2} and l_{3} are the concurrent lines.

‘O’ is the point of concurrency.

Question 5.

Draw any 3 lines that are not concurrent. Find the number of points of intersection.

Solution:

l_{1}, l_{2} and l_{3} are non concurrent lines.

A, B and C are the 3 points of intersection.

There are two points of intersection X and Y

**Objective Type Questions**

Question 6.

A set of collinear points in the figure are ……….

(a) A. B, C

(b) A, F, C

(c) B, C, D

(d)A,C,D

Solution:

(b) A, F, C

Hint: Collinear points are points on a line.

Question 7.

A set of non-collinear points in the figure are _____

(a) A, F, C

(b) B, F, D

(c) E, F, G

(d) A, D, C

Solution:

(d) A, D, C

Hint: Non-collinear points are points which are not on a line.

Question 8.

A point of concurrency in the figure is ……..

(a) E

(b) F

(c) G

(d) H

Solution:

(b) F