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

Let the required no. Be x Perimeter of triangle = 42cm Sum of all sides= 42cm 18+10+x=42 28+ x= 42 X= 42-28 X=14 Now, with the help of herons formula find the area Area = 21√11 cm²

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God Father 5 years, 10 months ago

Jitendra Jacker .Kya naam ha tera kuch soch samaj ke likha kar chu kahin ka

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Sum of 2×4

Posted by Abhishek Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Rohit Kumar 5 years, 10 months ago

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Atiya Rahman 5 years, 10 months ago

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Abhishek Singh 5 years, 10 months ago

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If a=2,b=3 then of (81)0.16 × (81)0.09

Posted by Dinesh Meena 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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Log 64 / 729

Posted by Moin Uddin 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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Which one can be probability of an event? a=4/3 , b=-1/2 , c=8/5, d=1/6

Posted by Puneet Kaur 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Yash Lohchab 5 years, 10 months ago

D=1/6

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In a parallelogram ABCD, if angle DAB = 75° and angle DBC = 60° , then angle BDC = ....

Posted by Arul Tyagi 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Yash Lohchab 5 years, 10 months ago

45°

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Arul Tyagi 5 years, 10 months ago

45°

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Arul Tyagi 5 years, 10 months ago

45°

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If x+y+z=1, xy+yz+zx=-1 and xyz=-1,find the value of x³+y³+z³.

Posted by Kanchan Choudhary 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Rohit Kumar 5 years, 10 months ago

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Yash Lohchab 5 years, 10 months ago

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X=0 y=0

Posted by Rahul Yadav 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

God Father 5 years, 10 months ago

Abe lolo

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What are difference between classmark and classinterval?

Posted by Rajat Kumar 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Atiya Rahman 5 years, 10 months ago

#Class size: Difference between the true upper limit and true lower limit of a class interval is called the class size. Class size remains the same for all class intervals. #Class mark: Mid-value of each class interval is called its class mark.

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Represent 17 square root on a number line

Posted by Shubham Tiwari 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

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What is the degree of 0 polynomial

Posted by Ankush Amb 5 years, 10 months ago

CBSE > Class 09 > Mathematics

4 answers

Atiya Rahman 5 years, 10 months ago

Undefined

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Harneet Kaur 5 years, 10 months ago

Undefined

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Yash Lohchab 5 years, 10 months ago

Undefined

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Shubham Tiwari 5 years, 10 months ago

There is not degree of 0

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The height of a cone is 30cm. A small cone is cut off at the top by a plane parallel to the base. If its volume be 1/27 of the volume of the givencone,at what height above the base, the section has been made

Posted by Rishikesh Yadav 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

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Find the volume of the hemisphere whose total surface area is 2772m

Posted by Puneet Thakur 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Atiya Rahman 5 years, 10 months ago

446.62m²

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Suryansh Gupta 5 years, 10 months ago

19404m^3

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Rishikesh Yadav 5 years, 10 months ago

1.031

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Therome 10.8

Posted by Himanshu Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajat Kumar 5 years, 10 months ago

The circumfrence angle is half of center angle

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Area: 25a² - 35a + 12

Posted by Bv Studio 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the area of an equilateral triangle

Posted by Anannya Dutta 5 years, 10 months ago

CBSE > Class 09 > Mathematics

4 answers

Atiya Rahman 5 years, 10 months ago

√3 /4 × s²

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Ankush Amb 5 years, 10 months ago

These triangle all side are equal

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Archana Sharma 5 years, 10 months ago

√3÷4×a^2

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Sameeksha V H 5 years, 10 months ago

Root 3/4 multiplied by a^2 Here a is the length of the side of equilateral triangle

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find area of regular hexagon whose one side is 4 cm

Posted by Shreya Tarale 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankush Amb 5 years, 10 months ago

Hexagon one side is 4 ×8 is 32 cm

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Sameeksha V H 5 years, 10 months ago

Hexogen is made up of 6 equilateral triangles, so a =4cm Area of equilateral triangle =root 3 /4 ×4^2 ×6 triangles = 24 root3

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Mid point theroem

Posted by Himanshu Blaan 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

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Math kasie padhe bhai bataao

Posted by Zaman Rizvi 5 years, 10 months ago

CBSE > Class 09 > Mathematics

6 answers

Zaman Rizvi 5 years, 10 months ago

Bro me tumara test le rahe mujhe pata the ki tum log yehe ans do u are fail bro

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Atiya Rahman 5 years, 10 months ago

Muh se padhe?

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Atiya Rahman 5 years, 10 months ago

Muh se padhe

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Kyōka ( Demon Snow ) 5 years, 10 months ago

Maths kabhi nahin padhte use practice karte hain

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Apoorv Kushwaha 5 years, 10 months ago

Brane se padho or hand se likho Maza aye ga

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Primitive Skills 5 years, 10 months ago

Math ko padhe nahi practice kr ta hai

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If x =0and y=k is a solution of the equation 5x-3x=3, find the value of k.

Posted by Gayathri Dasam 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Rohit Kumar 5 years, 10 months ago

K=3

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Rahul Joshi 5 years, 10 months ago

5*0-3*0=3 0-0=3 K=3

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In right circular cone height radius and slant height do not always be side of a right triangle it's true or false give the reason

Posted by Ajay Kushwaha 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

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Quadrants in 2d geometry

Posted by Ram Dayal 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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what are co prime numbers ?

Posted by Priya Pal 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Atiya Rahman 5 years, 10 months ago

The no. Which can only divisible by 1

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Is zero is a prime and composite number

Posted by Dj Rohit 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Atiya Rahman 5 years, 10 months ago

It is neither composite nor prime

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Aditya Verma 5 years, 10 months ago

It is neither prime nor composite, it is neutral.

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Is zero is a odd number and ........

Posted by Dj Rohit 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Rohit Kumar 5 years, 10 months ago

0 is neutral number

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Dhyeya Sharma 5 years, 10 months ago

0 is the nutral no.

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Krishna Tiwari 5 years, 10 months ago

No zero is neither odd nor even. It is neutral number

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2x+98y-z

Posted by Batu Prince 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Batu Prince 5 years, 10 months ago

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In the figure, O is the centre of the circle and . Find x and y.

Posted by Ťüšhãř Tyagi Ji 5 years, 10 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The radius of sphere is 2r then find its volume

Posted by Bhagyashree Choudhary 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Parinav Priyadarshi 5 years, 10 months ago

easy way for finding the squar of two digit no.- take any no. e.g. 24 square of 24=(24)^2 step 1- square of 2=4 step 2- square of 4=16 step 3- so 24 written as 416 because square of 2=4 & square of 4=16 step 5- we add 416 with 2×4×2 because of (24)^2 this is differ from real addition 2×4×2=16 416 +16 _________ 576

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If x+y =8 and xy=15 then x'2+y'2 =

Posted by Priyanshu Sharma 5 years, 10 months ago

CBSE > Class 09 > Mathematics