RBSE Class 6 Maths Important Questions Chapter 4 Basic Geometrical Ideas

Rajasthan Board RBSE Class 6 Maths Important Questions Chapter 4 Basic Geometrical Ideas Important Questions and Answers.

RBSE Class 6 Maths Chapter 4 Important Questions Basic Geometrical Ideas

Multiple Choice Questions

Question 1.
The number of diagonals in the rhombus :
(a) 4
(b) 2
(c) 3
(d) Infinite
Answer:
(b) 2

Question 2.
The number of acute angles in given figure:

(a) 3
(b) 5
(c) 6
(d) 4
Answer:
(d) 4

Question 3.
Number of lines passing through three points :
(a) 2
(b) 3
(c) Infinite
(d) 1
Answer:
(b) 3

Question 4.
Number of angles in a circle :
(a) 1
(b) Infinite
(c) 50
(d) 10
Answer:
(b) Infinite

Question 5.
How many triangles are there in the given figure:

(a) 6
(b) 5
(c) 8
(d) 4
Answer:
(b) 5

Fill in the Blanks

Question 1.
A curve is called a simple curve if it does not __________
Answer:
intersect

Question 2.
A __________ is the longest chord of a circle.
Answer:
diameter

Question 3.
Infinite number of lines can pass through __________ given point.
Answer:
one

Question 4.
A line segment has __________ end points.
Answer:
two

Question 5.
The chord of a circle that contains the centre is called __________ 
Answer:
diameter

Question 6.
__________ is not a polygon.
Answer:
circle.

State whether True or False

Question 1.
The chord of a circle that contains the centre is circumference.
Answer:
False.

Question 2. 
A line segment has no end points.
Answer:
False.

Question 3.
At least three line segments are required to form a polygon.
Answer:
True

Question 4.
The interior of a curve together with its boundary is called its region.
Answer:
True

Question 5.
Radius is the longest chord of the circle.
Answer:
False.

Very Short Answer Type Questions

Question 1.
Give the name of the angles in the given figure :

Answer:
∠CDA, ∠DAB, ∠ABC, ∠BCD.

Question 2.
Count the number of line segments in figure:

Answer:
Line segment in the given figure are AB, AC, AD, AE, BC, BD, BE, CD, CE, DE. 
Thus, there are 10 line segments.
 
Short Answer Type Questions

Question 1.
Draw figures with label according to the information given below :
(a) Point D lies on line AB.
(b) XYX ↔ and MNM ↔ intersect at O.
(c) Line M contains P and Q but not R.
(d) ABA ↔ and ACA ↔ meet at A,
Answer:

Question 2.
From the given figure, state :

(a) The centre of circle
(b) Radii
(c) A diameter
(d) A chord
(e) Two points in the interior
(f) A sector
(g) A segment.
Answer:
(a) O is the centre
(b) Radii: OR and OS.
(c) A diameter : AB.
(d) A chord : DE.
(e) Interior points : O and M.
(f) A sector : ROS.
(g) A segment: DE.