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Mathematics questions paper 2019

Posted by Neha Kumari 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Extra 5 example of factorisation factors theorem

Posted by Sureshkumar Sharma 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Rational number between root 2 and root 3

Posted by Arshi Rahman 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Anshika Mishra 5 years, 5 months ago

1.415,1.416.......

ANSWER

Draw a ∆ABC,AB+BC+CA=12cm, B=60°,C=45°

Posted by Muskan Kashyap 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If (√3-1)=(a-b√3 (,√3+1

Posted by Udit Shishodia 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

A right circular cylinder just encloses a sphere of radius.find Surface area of the sphere

Posted by Suraj Gupta 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Raee Waykole 5 years, 5 months ago

Correct

Harikumarkaleethundi Hari 5 years, 5 months ago

Surface area=4pie r2

ANSWER

3√3+2√27+7/√3

Posted by Yash Sharma 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Vansh Kukreja 5 years, 5 months ago

16root3

Yash Sharma 5 years, 5 months ago

Yarr please koi to ans do

ANSWER

If a=9-4

Posted by Nisha Garg 5 years, 5 months ago

CBSE > Class 09 > Mathematics

5 answers

Vansh Kukreja 5 years, 5 months ago

a=5

Ashutosh Kumar Tiwari 5 years, 5 months ago

a=5

Ayush Nikumbh 5 years, 5 months ago

a=1×5=5

Shashank Sah 5 years, 5 months ago

A=5

Vaibhav Sharma 5 years, 5 months ago

a=5

ANSWER

Twenty seven solid iron spheres,each of radius r and surface area s are melted to form a sphere with surface area S'. Find the ratio of s ans S' Its a NCERT question but in its solution you have used the formula of volume but the question is asking ratio of their surface area.

Posted by Vanshika Kandya 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Vansh Kukreja 5 years, 5 months ago

volume of 27 sphereV =volume of new sphere V' 27×V=V' : 3r=r'

ANSWER

Mr. Saxena has a rectangular plot of land ABCD which he decided to donate to his society for the organization of fitness campaign like yoga, mediation etc. the co ordinates of three vertices of plot are A(-2,-5), B(6,-5) and (6,-1). Plot these points find co-ordinates of fourth vertex. Which value does Mr. Saxena possess?

Posted by Arjun Singh 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If x = √3+√2/√3-√2 find x^4+1/x^4

Posted by Yash Tyagi 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Priyanka Iomror 5 years, 5 months ago

9602

Sandy K Kandari 5 years, 5 months ago

Hff

ANSWER

In right angle triangle hypotense is longest side prove

Posted by Rohan Rauniyar 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 5 months ago

Let there is a right angle triangle ABC where

AB is the perpendicular, AC is hypotenuse and BC is the base of the triangle.

From Pythagoras Theorem,

hypotenuse² = Perpendicular² + base²

=> AC² = BC² + AB²

=> AC = √(BC² + AB² )

So hypotenuse is the longest side in a right angle triangle.

ANSWER

A triangle having sides a , b and c . If side a = 4cm, side b = 8cm and side c=12cm then find the value of a,b and c

Posted by Ajab Murtaza 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The volume of sphere is 38808cm3 find radius

Posted by Premal Bhavsar 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Ajab Murtaza 5 years, 5 months ago

Divide it

ANSWER

Supplement of an angel measure 23 degree is

Posted by Ajay Kumar 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Ayush Nikumbh 5 years, 5 months ago

157

Yogendra Singh Jodha 5 years, 5 months ago

180-23=157

ANSWER

Diffrence between speed and velocity

Posted by Patel Vasundhra 5 years, 5 months ago

CBSE > Class 09 > Mathematics

3 answers

Ayush Nikumbh 5 years, 5 months ago

Speed=scaler,distance related Velocity=vector,displacement related

Mysterious Science World 5 years, 5 months ago

Speed = distance_time where as velocity=displacement/time

Chirag Sharma 5 years, 5 months ago

Speed is scaler while velocity is vector

ANSWER

Write three rational no and irrational no btw root 5 and root 7

Posted by Aatif Khan 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If 3 to the power x + 64 = 2 to the power 6 + root 3 to the power 8

Posted by Rinki Tiwari 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If the radius of a sphere is tripled then the volume will increase................ times.

Posted by Shreyansh Dwivedi 5 years, 5 months ago

CBSE > Class 09 > Mathematics

3 answers

Shreyansh Dwivedi 5 years, 5 months ago

Explain the answer plzz

Chirag Sharma 5 years, 5 months ago

27

Gh Mn 5 years, 5 months ago

27

ANSWER

Please sample paper 2020 cbse class 9

Posted by Shubahm Sahi 9911 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

..... Sharma 5 years, 5 months ago

I also need sample papers

ANSWER

Important question of ch quadrilateral and area of parellogram . Plez

Posted by Ved Prakash 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the formula of area of isosceles triangle

Posted by Sushil Gupta 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Yogita Ingle 5 years, 5 months ago

b = base of the isosceles triangle
h = Height of the isosceles triangle
a = length of the two equal sides

Yogita Ingle 5 years, 5 months ago

<th colspan="2">Formulas to Find Area of Isosceles Triangle</th>

Using base and height	A = ½ × b × h
Using all 3 sides	A = ½[√(a² − b²⁄4) × b]
Area formula for isosceles right triangle	A = ½ × a²

ANSWER

Factorise 2x cube minus 3x square - 17x + 30

Posted by Democratic Gamer 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the formulae of right angle triangle

Posted by Arjun Singh 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Nikhil B 5 years, 5 months ago

1/2×b×h

ANSWER

11√n=√112+√343 What is the value of n?

Posted by Salamat Ansari 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Draw the angle of 150 degree

Posted by Khushboo Gupta 5 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

..... Sharma 5 years, 5 months ago

☺️☺️

Salamat Ansari 5 years, 5 months ago

Take a line segment, say, AB. Choose a point C on it. With center C, and radius BC, draw an arc. With center B and radius BC, cut the previous arc at say DD. (∠DCB=60∘∠DCB=60∘because we just made CD=BC=BD .) With center D, and radius BC draw an arc. With center B and radius BC, cut this arc at, say, EE. Then EC is the bisector of ∠BCD, and hence ∠BCE=30∘ .Then, ∠ACE=180∘−∠BCE=150∘. HOPE THIS HELPS YOU......✌✌

ANSWER

(25÷81)2/3

Posted by Yash Sharma 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Salamat Ansari 5 years, 5 months ago

50/243

ANSWER

If 3a - 2b + c = 0,then find the value of 2a + (3bc).

Posted by Ankit Raj 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If SinA + SinB = C, CosA + CosB = D, then find the value of Sin(A + B).

Posted by Ankit Raj 5 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Yash Sharma 5 years, 5 months ago

Jejejw

ANSWER

why the degree of ROOT2 is always 0.

Posted by Ravi Jain 5 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

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