Class 9 Vikas Mathematics Practical Answers

Class 9 Vikas Mathematics Practical Answers

Vikas Mathematics Practical Answers for Class 9 provides comprehensive solutions to practical assignments across various chapters. This resource covers essential mathematical concepts, including geometry, algebra, and statistics, helping students understand and apply these topics effectively. Each chapter includes detailed answers to activities, ensuring clarity and thorough understanding. Ideal for students preparing for examinations, this guide supports learning and reinforces key mathematical principles. The practical exercises enhance problem-solving skills and conceptual knowledge, making it a valuable tool for Class 9 students.

Key Points

  • Includes detailed solutions for Class 9 mathematics practical assignments.
  • Covers key topics such as geometry, algebra, and statistics.
  • Provides answers to activities from multiple chapters for comprehensive understanding.
  • Supports students in preparing for exams with clear explanations and practical applications.
  • newtopiccyclegrowin
381
/ 6
SECTION 1 : HOME ASSIGNMENTS 1
VIKAS MATHEMATICS PRACTICAL BOOK : STD. IX
ANSWERS
SECTION 1 : HOME ASSIGNMENTS
MATHEMATICS PART - I
Chapter 1 :
Activity 1 (A) :
{2}
,
2 
,
2
,
.
Activity 1 (B) :
n (B)
,
n (AWB)
,
29
,
7
,
8
,
21
.
Activity 2 (A) :
n (AXB)
,
36
,
36
,
12
.
Activity 2 (B) :
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
,
10
,
2, 3, 4, 5
,
4, 5, 9
,
4, 5, 10
,
2
.
Chapter 2 :
Activity 3 (A) :
25
,
5
,
9   4   5
,
10
.
Activity 3 (B) :
10
,
0.7.
,
7.7.
,
0.7.
,
7
,
7
9
.
Activity 4 (A) :
   1
,
6
,
4
,
4
3
.
Activity 4 (B) :
e5   e3
,
e5   e3
,
e5   e3
,
2
,
( e3)
2
,
8  2 e
f
15
2
.
Chapter 3 :
Activity 5 (A) :
x
3 
 2x
2
   2
,
1
,
x
8
 
,
2 
.
Activity 5 (B) :
1
,
5
,
   2 
,
2
,
y
2 
 2y   3
,
2
.
Activity 6 (A) :
 1 
,
   2 
,
2 
,
7
.
Activity 6 (B) :
 3x 
,
x
,
e3
,
e3
,
1
,
e3x   1
.
Chapter 4 :
Activity 7 (A) :
e
f
35
,
e
f
81
,
<
,
<
.
Activity 7 (B) :
c
,
b
,
b
,
c   d
,
a   b
,
d
.
Activity 8 (A) :
36
,
22
,
16
,
2a
 
 
2b 2c
.
Activity 8 (B) :
m
2
,
x   y
,
x   y
,
(x   y)
2
,
x
2
y
2
,
(x   y)
.
Chapter 5 :
Activity 9 (A) :
10
,
( 3, 10)
,
( 5)
,
( 5, 12)
.
Activity 9 (B) :
 8y 
,
16
,
(x   y)
,
2
,
   2 
,
   1 
.
Activity 10 (A) :
y   x   7
,
x   y   53
,
60
,
30
.
Activity 10 (B) :
7x
,
21
,
3
,
15
,
   6 
,
   2 
.
Chapter 6 :
Activity 11 (A) :
6000
,
10000
,
6000
,
4000
.
Activity 11 (B) :
520000
,
400000
,
120000
,
48000
,
120000
,
72000
.
Activity 12 (A) :
10000
,
15000
,
10000
,
15000
.
Activity 12 (B) :
N
,
100
,
220000
,
2200
,
2200
,
24200
.
Chapter 7 :
Activity 13 (A) :
15
,
20
,
35
,
17.5
.
Activity 13 (B) :
12
,
10   15
,
24
,
8
,
8
,
42
.
Activity 14 (A) :
f
i
,
525
,
25
,
21
.
Activity 14 (B) :
20   30
,
20
,
20
,
30
,
34
,
36
.
2 VIKAS MATHEMATICS PRACTICAL BOOK : STANDARD IX
MATHEMATICS PART - II
Chapter 1 :
Activity 1 (A) :
Given : O is a point on line AB. Ð AOC X Ð COB
,
To prove : Ð AOC   Ð COB   90°
,
Converse of the statement : If the angles in a
linear pair are right angles then they are
congruent.
.
Activity 1 (B) :
d (B, C)
,
7.5
,
18
,
18
  ,  
7.5
,
10.5
.
Activity 2 (A) :
>
,
( x   3 )
  ,   
( x   3 )
,
6
.
Activity 2 (B) :
linear
,
180°
,
3x°
,
120°
,
60°
,
60°
.
Chapter 2 :
Activity 3 (A) :
110°
,
181°
,
are not
,
is not
.
Activity 3 (B) :
Ð e
,
Ð b
,
Ð e
,
Ð f
,
Ð d
,
Ð c
.
Activity 4 (A) :
Ð ADC
,
56 °
,
Ð CPD
,
80 °
.
Activity 4 (B) :
Vertically opposite angles
,
20 °
,
180 °
,
20 °
,
20
,
160
.
Chapter 3 :
Activity 5 (A) : (i)
SSS
, (ii)
SAS
, (iii)
ASA
,
(iv)
hypotenuse-side
.
Activity 5 (B) :
QPR
,
70 °
,
180 °
,
70 °
,
20 °
,
90 °
.
Activity 6 (A) :
seg CB
,
seg AD
,
Common side
,
SSS test
.
Activity 6 (B) :
Vertically opposite angles
,
TR
,
SAS
,
Ð TSR
,
Ð TQP
,
seg SR
.
Chapter 4 :
Activity 7 (A) and (B) and 8 (A) and (B)
Students should complete the constructions.
Chapter 5 :
Activity 9 (A) :
AB
2
,
BC
2
,
AC
2
,
10 cm
.
Activity 9 (B) :
Ð FDE
,
65
,
5
,
Ð FDG
,
35
,
7
.
Activity 10 (A) :
180 °
,
40 °
,
220°
,
110 °
.
Activity 10 (B) :
2
3
,
2
3
,
3
2
,
9
,
9
,
3
.
Chapter 6 :
Activity 11 (A) :
BM
,
QM
,
BM
 ,  
QM
.
Activity 11 (B) :
PQ
,
24
,
12
,
13
,
OM
,
5 cm
.
Activity 12 (A) :
Radii of the same circle
Hypotenuse side test
Perpendicular drawn from the
centre of the circle to the chord
bisects the chord.
CD
.
Activity 12 (B) :
AB
,
16 cm
,
8
,
8
2
,
289
,
17 cm
.
Chapter 7 :
Activity 13 (A) :
(
0
,
4
)
,
y   3
,
3
.
Activity 13 (B) :
 1
,
( 0,   1 )
,
0
,
1, 0 
,
3
,
3, 2
.
Activity 14 (A) :
3
,
3
,
y   3
,
No
.
Chapter 8 :
Activity 15 (A) :
AB
,
x
,
2x
,
1
2
.
Activity 15 (B) :
70
,
60
,
50
,
45
,
80
,
63
.
SECTION 1 : HOME ASSIGNMENTS 3
Activity 16 (A) :
1
,
1
m2
,
1
2
,
1
.
Activity 16 (B) :
LM
LN
,
LM
LN
,
MN
LM
,
LM
MN
,
MN
LN
,
MN
LN
.
Chapter 9 :
Activity 17 (A) :
7.5 cm
,
l
3
,
7.5
,
421.875
.
Activity 17 (B) :
1
3
r h
2
,
753.60
,
12
,
3
,
3.14
,
5
.
Activity 18 (A) :
4  r
2
,
4   3.14
,
225
,
15
.
Activity 18 (B) :
4l
2
,
4.5
,
81
,
6l
2
,
4.5
,
121.50
.
/ 6
End of Document
381
You May Also Like

FAQs of Class 9 Vikas Mathematics Practical Answers

What types of mathematical concepts are covered in this resource?
The resource covers a range of mathematical concepts essential for Class 9 students, including geometry, algebra, statistics, and basic arithmetic. Each chapter focuses on practical applications of these concepts, providing students with a solid foundation. The answers to practical assignments help reinforce understanding and application of mathematical principles in real-world scenarios.
How does this guide assist students in preparing for exams?
This guide assists students by providing clear and detailed answers to practical assignments, which are crucial for exam preparation. By working through the solutions, students can identify their strengths and weaknesses in various mathematical topics. The practical exercises included in the guide also help develop problem-solving skills, which are essential for success in mathematics exams.
Are there specific chapters included in the Class 9 Vikas Mathematics Practical Answers?
Yes, the Class 9 Vikas Mathematics Practical Answers include solutions for multiple chapters, each addressing different mathematical concepts. Chapters typically cover topics such as number systems, coordinate geometry, and probability, among others. Each chapter is designed to enhance students' understanding through practical exercises and detailed solutions.
What is the significance of practical assignments in mathematics education?
Practical assignments in mathematics education are significant because they allow students to apply theoretical concepts to real-world problems. This hands-on approach enhances understanding and retention of mathematical principles. By engaging in practical exercises, students develop critical thinking and analytical skills, which are vital for academic success and everyday problem-solving.

Related of Class 9 Vikas Mathematics Practical Answers