Construction of Parallel Lines
Trending Questions
_____ is used to draw perpendicular and parallel lines.
If the distance between any two lines is always constant then the lines:
are parallel to each other
may not be parallel to each other
may be parallel to each other
are perpendicular to each other
Assume line m and line n are parallel lines cut by the transversal line l. Find the value of x.
25o
45o
5o
60 o
The instrument in the geometry box having the shape of a triangle is called a
Set Square
Compass
Ruler
Protactor
"Only one transversal can be drawn for any two given lines". True/False?
True
False
Preeti is trying to draw a line parallel to PQ through a point R (not on PQ). How many arcs does she need to draw and how many times does she need to change the distance between the compass tip and the pencil tip respectively?
3
1
2
0
The instrument in the geometry box having the shape of a triangle is called a :
Protractors
Compasses
Scales
Set squares
Harman told Kushagra that only one line parallel to a given line can be drawn through a point which is not on the line. State whether Harman's statement is true or false.
True
False
Draw a line segment AB of in length. Draw a line perpendicular to AB through A and B, respectively. Are these lines parallel?
- a set square
- a compass
- a protractor
- All of the above
The common properties in the two set squares of a geometry box are that they have a ____ angle and they are of the shape of a ______ .
What does a geometry box consist of? What are the main instruments used for construction? [1MARK]
In the figure given below, identify the transversal lines.
p
q
l
m
- 5
- 3
- 2
- infinite
- parallel
- perpendicular
- intersecting
Draw a line, say , take a point outside it. Through , draw a line parallel to using ruler and compasses only.
While constructing the parallel lines, the ruler and the set square should be
inclined at an angle of 60 degrees
horizontal
at right angles to each other
inclined at an angle of 120 degrees
Look at this figure
What can you say about the vertical lines?
Perpendicular Lines
Parallel Lines
Nothing can be concluded.
Inclined at some angle
- 6 inches
- 7 inches
- 9.5 inches
- 3.5 inches
(a) There are two sets of parallel lines passing through a plane. A transverse line is intersecting the two set of lines. Find out the number of distinct intersecting point made by transverse line? [3 MARKS]
(b) The following diagram shows parallel lines cut by a transversal. Find x.
- l1 || l2
- l1⊥l2
- l1≠l2
- Dilation of 1 centered at the origin, rotated by 90° in the anticlockwise direction around origin, and translated 11 units up.
- Dilation of 2 centered at the origin, rotated by 90° in the anticlockwise direction around origin, and translated 11 units up.
- Dilation of 1 centered at the origin, rotated by 180° in the anticlockwise direction around origin, and translated 11 units up.
- Dilation of 2 centered at the origin, rotated by 180° in the anticlockwise direction around origin, and translated 11 units up.
(a) What are three conditions you need in order to say that the given two angles are adjacent angles? [3 MARKS]
(b) In the given figure, ∠1 and ∠2 are supplementary angles. If ∠1 is decreased, what changes should take place in ∠2 so that both the angles still remain supplementary?
The instrument in the geometry box having the shape of a triangle is called a ?
[3 marks]
Preeti is trying to draw a line parallel to PQ through a point R (not on PQ). How many arcs will she need to draw and how many times she needs to change the distance between the compass tip and the pencil tip respectively?
1 and 2
3 and 1
2 and 1
0 and 2