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Define the Terms
100

’Lines are parallel if they do not intersect’ is a stated for of ____

a) an axiom 

b) a definition 

c) a postulate 

d) a proof 

b) a definition 

100
An infinite number of lines can pass through a point

True

100

Postulates 

Postulates are assumptions which are specific to Geometry

200
  1. Ram and Ravi have the same weight. If they each gain weight by 2 kg, how will their new weights be compared? Give reason how and why?

We have to compare their new weights when each of them gains 2kg. Using Euclid's second axiom, If equals are added to the equals, the wholes are equal. Therefore, the weight of Ram is equal to the weight of Ravi

200

There are an infinite number of lines which pass through two distinct points.

False, only one line can pass through two distinct points 

200

Line Segment 

A part of a line between two points on line is called a line segment.

300

LA = LB and ZB = <C. According to which axiom of Euclid the relation between LA and <C is established?

a) 1th 

b)2nd

c)3rd

d)4th


a)1th

300

The statements that are proved are called axioms.

False, the statements that proved are called theoums

300

Concurrent lines

Three or more line that intersect at a single point in a plane are called Concurrent lines

400

In the Indus Valley civilisation the bricks used for construction work were in the ratio of:

a) 1:3:4

b)4:2:1

c)4:4:1

d)4:3:2

b) 4:2:1

400

A line can have infinitely many points

True

400
Parallel lines

Two distinct lines in a plane that have no common points are called parallel lines.