CBSE > Class 09 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

Proof that sum of three angles is 180

Posted by Shubham Chhabra 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Arjav Nayak 5 years, 10 months ago

Given - ABC is the triangle in which angle 1,2,3 are the angles To prove - angle 1+2 +3+ =180 Construction- draw a line PQ ll to BC and the angles form 4 and 5 Proof Let The line PQ form a stright line and Angle 1+4+5 = 180. Eq 1 Angle 4 = 3 and angle 5 = 2. Eq 2 Putting Eq 2 to Eq 1 Therefore Angle1+2+3 = 180. Hence proved

Nitin Kumar 5 years, 10 months ago

In equilateral triangle

ANSWER

If train 1 is travelling with the speed of 20km/h and another train from opposite side comes with the sppeed of 30km/h so. What will be the time duration in which they cross one another

Posted by Thakur Anand Pratap Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Prove that parallelogram on the same base and between the same parallels are equal in area .

Posted by Meenu Gautam 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Surface area of sphere is 346.5 .Find volume

Posted by Lsunny Sehrawat 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

7/√5=a+√35b find the value of a and b

Posted by Sony Joseph 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Sai Kumar 5 years, 10 months ago

Square on both sides.. Which implies 49/5=a*2+35b +2a root35b

ANSWER

Why we use these formula in question 1 exercise 13.1

Posted by Sakshi Kaintura 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X=199 X :-)

Posted by Sumit Madawat 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If 3x + 64=26+(√3)8,then the value of '×' is

Posted by Dinesh Meena 4 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Sumit Madawat 5 years, 10 months ago

Abe khud nikal le

ANSWER

Diametre of cylindrical base is 70cm and csa is 4.4 m2. Find the cost of painting its top and base at rs.0.50/dm2

Posted by Iqra ? 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the sum of angel at the point

Posted by Vedant Tiwari 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Vandit Katbamna 5 years, 10 months ago

360

ANSWER

Formula of slant highet

Posted by Bunty Khabiya 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Pulkit Kumawat 5 years, 10 months ago

L^2=h^2+r^2

ANSWER

Please unlock maths sample pper 2

Posted by Anuragveer Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

__@___ Goel 5 years, 10 months ago

Hi

ANSWER

Any point on the x _ axis is of the form of

Posted by Pramod Jadon 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Shreyas Pareek 5 years, 10 months ago

(X,0)

Jagriti Mishra 5 years, 10 months ago

( a , 0)

Aparna Chaturvedi 5 years, 10 months ago

Origin

ANSWER

5 is polynomial of of degree

Posted by Nabeel Gaming 5 years, 10 months ago

CBSE > Class 09 > Mathematics

4 answers

Priyeta Manjari 5 years, 10 months ago

1 answer

Kings Kunal 5 years, 10 months ago

Sorry its 1

Kings Kunal 5 years, 10 months ago

0

Jagriti Mishra 5 years, 10 months ago

Polynomial degree

ANSWER

What is congruence

Posted by Antram Sharma 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Aparna Chaturvedi 5 years, 10 months ago

Where two triangles are there and we have to congurent these trangles

Manshi Rana 5 years, 10 months ago

It means too shapes or object with same side and angles

ANSWER

Is 0 a rational numbee

Posted by Technical Gamer 5 years, 10 months ago

CBSE > Class 09 > Mathematics

6 answers

Manisha Jain 5 years, 10 months ago

Yes afcors

Aditya Verma 5 years, 10 months ago

Yes 0 is a rational number because it can be written in the form of 0/1, 0/2 etc

Priyeta Manjari 5 years, 10 months ago

Yes

Jagriti Mishra 5 years, 10 months ago

Yes

Manshi Rana 5 years, 10 months ago

Yes 0is rational number because it can be written in form of p/q

Technical Gamer 5 years, 10 months ago

Yes

ANSWER

The following observations has been arranged in asending order. If the median of the data is 63 find the value of x. 29,32,48,50,x,29,32,48,50,x+2,72,78,84,95,

Posted by Rehana Bee 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Hemispherical bowl is made of metal of 0.5cm thick. If inner radius of bowl is 4.75cm. Find outer curved surface area of bowl.

Posted by Iqra ? 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

A.V.M Unnao 5 years, 10 months ago

Outer radius =0.5+4.75 5.25 Curved s.a = 2πr^2 2×22/7×5.25×5.25 169.97cm^2

ANSWER

What is the sum of angle in a point

Posted by Santosh Soni Konbir 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Pratibha Nayyar 5 years, 10 months ago

Its is 360°

Akash Kumar 5 years, 10 months ago

180

ANSWER

If volume of cylinder is 636 kilolitres express in metre cube.

Posted by Iqra ? 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Sumit Gupta 5 years, 10 months ago

1kl=1m cude so 636 kl=636m cude

Namrata Jindal 5 years, 10 months ago

1 kl = 1 m cube. So 636 kl = 636 m cube

ANSWER

Construct the angle 22½

Posted by Mohit Pathak 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Namrata Jindal 5 years, 10 months ago

Draw 90°. Bisect it to get 45°. Bisect 45° to get 22.5°.

ANSWER

Diagram of the frequency polygon

Posted by Ashutosh Kumar Tiwari 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Anushka Yadav 5 years, 10 months ago

In zig zag type diagram

ANSWER

Previous paper use Karen

Posted by Rajendra Kumar Poddar 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

a=2+✓3 find a+1/a,✓a+1/✓a,a-1/a

Posted by Sayyad Tanesha Farheed Farheed 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find one rational and one one irrational no. Between 0.1 and 0.2

Posted by Aditya Khatana 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Sayyad Tanesha Farheed Farheed 5 years, 10 months ago

0.00001

Himangshu Bhattacharjee 5 years, 10 months ago

0.01

ANSWER

AD is the bisector of angle A. Find the measures of angle BAD B=55 and C=35

Posted by Siddhi Patni 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyeta Manjari 5 years, 10 months ago

It is given that, AD is the bisector of angle A, angle BAD=angle CAD angle B=55 andangleC=35 we know that,a triangle sum is 180 angle A+angle B+angle C =180 A+55+35=180 A=180-90,A=90 A/q angle BAD=angle CAD angle BAD+angle CAD=90 2angleBAD=90 angle BAD=45 ANSWER

ANSWER

Find the mean of first ten whole number

Posted by Neha Sagar 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Tejas Chaudhari 5 years, 10 months ago

=0+1+2+3+4+5+6+7+8+9/10 =45/10 =4.5

ANSWER

Simplify 5√x^44√x^33√x^2√x

Posted by Priyeta Manjari 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Solve for x- 3x+2÷7+4(x+1)=2÷3(2x+1)

Posted by Sukhwinder Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If √5+√2/√5-√2=a+b√10 , then find the value of a and b.

Posted by Palak Navadiya 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyeta Manjari 5 years, 10 months ago

√5+√2/√5-√2=a+b√10, √5+√2/√5-√2×√5+√2/√5+√2=(√5+√2)^2/(√5)^2-(√2)^2, (√5)^2+(√2)^2+2×√5×√2/5-2=7+2√10/3, a=7/3,b=2/3

ANSWER

Page 284 of 1011

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App