9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A

Published on: 13/05/2022
QB365 provides detailed and simple solution for every book back questions in class 9 Maths subject.It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload Tamil Nadu 9th Standard Maths question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Maths Test1.
Find the value of x

2.
Find the value of x

3.
Find the supplement of the following angles.
121°48′
4.
Find the supplement of the following angles.
Right angle
5.
Find the supplement of the following angles.
34°
6.
Find the supplement of the following angles.
140°
7.
Find the complement of the following angles (1°= 60′ minutes, 1′ = 60′′ seconds)
62°32′
8.
Find the complement of the following angles (1°= 60′ minutes, 1′ = 60′′ seconds)
45°
9.
Find the complement of the following angles (1°= 60′ minutes, 1′ = 60′′ seconds)
27°
10.
Find the complement of the following angles (1°= 60′ minutes, 1′ = 60′′ seconds)
70°
1.
\(\angle XOZ+\angle OZY=180^0\) (angle of a straight line)
(x° - 20°) + 60° = 180°
x°+40° = 180°
x° = 180°- 40°
= 140°
The value of x = 140°
2.
\(\angle AOB =90^0\)
\(\angle BOC +\angle COA=90^0\)
3x0+2x0 = 900
5x0= 900
\(x^0=\frac{90}{5}=18^0\)
The value of x = 18°
3.
Supplement of 121°48' = 180° - 121°48'
= 58°12′
4.
Supplement of Right angle (90°) = 180° - 90°
= 90°
5.
Supplement of 34° = 180° - 34°
= 146°
6.
Supplement of 140° = 1800- 140°
= 40°
7.
Complement of 62°32' = 90° - 62°32'
= 27°28′
8.
Complement of 45° = 900-45°
= 45°
9.
Complement of 27° =90° - 27°
= 63°
10.
Complement of 70° = 90° - 70°
=20°
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards