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

If any line is parallel to the third side of a triangle , the line is half of the third side and one end of the line is the mid point of one side ,the adjacent side will have another end of the line as mid point

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There is a slide in a park. One of its side walls has been painted in some colour with a message"KEEP THE PARK GREEN AND CLEAN"(see Fig.12.10). If the sides of the wall are 15m, 11m, and 6m, find the area painted in colour.

Posted by Krishna Murthy B 8 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

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Explain midpoint thereom

Posted by Nandini Babalad 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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The TSA of a hollow cylinder which is open from both sides is 4620 sq. cm, area of base ring is 115.5 sq.cm and height 7 cm . Find the thickness of cylinder.

Posted by Harsh Anand 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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The curved surface area of a right cicurlar cylinder of height 14cm is 88cmfindthe diameter of the base of the cylinder

Posted by Mala Kumari 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Harsh Anand 8 years, 4 months ago

Answer is 2cm

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Sneha Dhake 8 years, 4 months ago

CSA ( cylinder) = 2 x pie x r x have 88=2 x 22/7 x r x 14 88=88 x r r=1cm d=2cm

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Natural number

Posted by Abhishek Singh Yadav 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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What is volume of sphere

Posted by Aryan Choudhary 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Sneha Dhake 8 years, 4 months ago

4/3 pie (r)3

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Aruna Katarmal 8 years, 4 months ago

4/3 pie (r) 2

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What is he circumference of circle

Posted by Vivek Kumar 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

V. Mithra 8 years, 4 months ago

Perimeter of the circle or distance along the boundary of the circle's line

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Aruna Katarmal 8 years, 4 months ago

Distance of any point on circle to itself is circumference of circle

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What are the odd numbers that give the sum of 30 Hints-1,3,5,7,9,10,13,15

Posted by Shriyant Barman 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Vedang Shahi 8 years, 4 months ago

15 +15

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2+2=?

Posted by Amit Kumar 8 years, 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Cheedella Ramcharan 8 years, 4 months ago

22=2+2

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Sneha Dhake 8 years, 4 months ago

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Vedang Shahi 8 years, 4 months ago

1Thank You

Rohit Choubey 8 years, 4 months ago

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Shivansh Agrawal 8 years, 4 months ago

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Can you send me some important question of ch 14 statistics of mean misread questions please fast i have to do practice tomorrow is my exam

Posted by Pooja Sharma 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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Solve the equation x -15=25 and Euclid axiom used here

Posted by Shivam Yadav 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Shivansh Agrawal 8 years, 4 months ago

x-15=25 x-15+15=25+15 (if equal are added to equal then whole are equal) x=40

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If the volume of a sphere is 905×1\7 find its radius

Posted by Shivam Yadav 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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Two direct common tangents are drawn to two non-intersecting circles. Prove that the segments between points of contact are equal

Posted by Tanya Ahuja 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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The point D divides the side BC of triangle ABC in the ratio m:n . prove that area of triangle ABD:area of triangleADC=m:n.

Posted by Anshuman Singh 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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2(5+6)2*100

Posted by Ramneek Singh 8 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Shivansh Agrawal 8 years, 4 months ago

4400

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Chaudhary Nikhil Panwar 8 years, 4 months ago

4400

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Aditya Pandey 8 years, 4 months ago

2(11)2*100 =22*2*100 =44*100 =4400

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1+7+8-1

Posted by Pooja Saini 8 years, 4 months ago

CBSE > Class 09 > Mathematics

3 answers

Mihir Khandelwal 8 years, 4 months ago

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Parth Parth 8 years, 4 months ago

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Kundan Kumar 8 years, 4 months ago

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ten years ago a man was 8 timesas old as his son express them in equation form

Posted by Nishant Goswami 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajeev Malhotra 8 years, 4 months ago

Let man's present age = x and His son's present age = y

10 years ago , men's age was = x-10

10 years ago , His son's age was= y-10

According to given condition . we have

x -10 = 8(y-10)

x-10= 8y-80

x -8y -10 +80 = 0

x -8y +70 = 0

this is the required equation.

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Posted by Charmi Bangsingh 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Dhynie Devil 8 years, 4 months ago

22/7=3.14approx

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Is sides of rhombus are equal ??????

Posted by Shanaya Samariya 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

The Devil Prince 8 years, 4 months ago

Yes

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Explain the theorams of class 9 chapter 9 maths

Posted by Priyanshi Bhatia 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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what is sas congruence rule

Posted by Thatipelli Nikhil 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Aadharshini Sudha 8 years, 4 months ago

Side Angle Side.

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The perimeter of a rhombus ABCD is 80 cm. Find the area of rhombus if Its diagonal BD measures 12 cm.

Posted by Shivam Gawlani 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Madhumita Mohan 8 years, 4 months ago

Divide perimeter by 4 to get each side.the diagonal divides rhombus by 2 find area of one triangle multiply into 2

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Exercise 13.2 Question no. 2 Anyone who tell me ?

Posted by Suyash Pandey 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Rithik Khandelwal 8 years, 4 months ago

D=140cm Radius = 70cm =0.7m H = 1m TSA of the cylinder = 2πr(r+h) =2*22/7*07/10(0.7+1) =7.48m²

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Suyash Pandey 8 years, 4 months ago

Hyy All anSweR mE

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This syllabus are from board exam or not

Posted by Jai Gupta 8 years, 4 months ago

CBSE > Class 09 > Mathematics

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What do you mean by spher

Posted by Kriti Raj 8 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Dhynie Devil 8 years, 4 months ago

4 times of circle f

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Zeeshan Ansari 8 years, 4 months ago

An sphere is a 3D Shape. Which is the 3D form of Circle.

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If the diagonals of a llgm are equal,then show that it is a rectangle

Posted by Simarpreet Tuteja 8 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Arpita Joshi 8 years, 4 months ago

Given-ABCD is a llgm AC = BD To prove-ABCD is a rectangle IN triangle ABC AND BAD AB=BA(COMMON) CA=DB(GIVEN) BV=AD(OPPOSITE SIDES OF IIGM ARE EQUAL) By SSS TRIANGLE ABC AND BAD BY CECT, ANGLE ABC=BAD ALSO, ANGLE ABC +BAD =180(ADJACENT ANGLE OF IIGM) ANGLE ABC =BAD =180 A llgm ABC with angle A=90 is a rectangle

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How we solve different and tough sums of probability

Posted by Piyush Panjwani 8 years, 4 months ago

CBSE > Class 09 > Mathematics