Planes

Q. If n(u) =35 , n(A)= 10 , n(B)= 15 and n(A intersection B ) =15 then (A union B) is equal to

Q. The objects with flat surface are-

1. Water bottle
2. Book
3. Ball
4. Wall

Q. is a flat , two dimensional surface, which extends infinitely in all directions.

1. A line
2. A plane
3. A ray

Q.

In Geometry, ___is a flat surface that extends forever in two dimensions but has no thickness.

1. a point

2. a line

3. a plane

4. a circle

Q. Which instrument can be used to draw parallel and perpendicular lines?

1. Ruler
2. Compass
3. Protractor
4. Set squares

Q.

The three steps from solids to points are: (A) Solids - surfaces - lines - points (B) Solids - lines - surfaces - points (C) Lines - points - surfaces - solids (D) Lines - surfaces - points - solids

1. Solids - surfaces - lines - points

2. Solids - lines - surfaces - points

3. Lines - points - surfaces - solids

4. Lines - surfaces - points - solids

Q. A table top is an example of a _____________ surface.

1. Line
2. Ray
3. Plane
4. Point

Q. What are adjacent planes?

Q. Identify line segments, rays and points from the figure.

1. Line segment
2. Points
3. Rays
4. BC, CD, BD
5. A, B, C, D, E, F
6. DF, DE, BA, CE

Q. In paper folding method of constructing perpendicular, apart from the fold along a given line, if two more folds are made in the instructed fashion to obtain perpendicular, how many perpendiculars will be formed in total ?

Q.

Mark a point A on a page of your notebook. Draw five lines passing through A. Can you draw more lines passing through A?

Q. Identify the plane surfaces.

1. 
2. 
3. 
4. 

Q. ntLet A be a finite set. If f:A→A is an onto mapping, show that it is one-one also.n

Q. Identify the curves which are not simple.

1. 
   
2. 
   
3. 
   
4. 
   

Q. Identify the simple curves:

1. 
   
2. 
   
3. 
   
4. 
   

Q. if the straight line through the point p (3, 4) makes an angle 30 with x axis in the positive direction and meets the line 3x+5y+1=0 at Q, the length pq is

Q.

Can 3 points be non co planar ? Please explain

Q. The number of flat surfaces in a cone is

1. 2
2. 3
3. 1
4. It has no flat surface

Q. Through a point in a plane, number of lines that can be drawn is _______.

1. 1
2. 0
3. 2
4. Infinite

Q. Set of points extending infinitely in all directions on the same flat surface is:

1. line
2. plane
3. line segment
4. point

Q.

MCQ's Q.8, 2part

Q.

How many lines can be drawn passing through a given point?

1. only one

2. infinite number

3. three

4. none of these

Q. What is the name of each part of the plane formed by there two lines?

Q.

How many line segments may be intersected by a ray?

Q. Classify the following curves as open or closed.​

Q.

___________ represent straight line.

Q. How many lines can be drawn passing through a given point?

1. Only one
2. Two
3. Three
4. Infinitely many

Q.

How many lines can be drawn through a particular point ?

Q. In paper folding method of constructing perpendicular, apart from the fold along a given line, if two more folds are made in the instructed fashion to obtain perpendicular, how many perpendiculars will be formed in total ?

Q.

The number of lines that can be drawn passing through a point is $—$.