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

Let one angle be x. So other will be 4x. In a parallelogram, adjacent angles are supplementary. So, 4x+x=180 5x=180 x=180/5=36° 4x=4*36=144° The angles of parallelogram are 36°,144°,36°,144°.

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guys please ask me extra questions from chapter circle and surface area and volume .. tomorrow is my exam.. I want know whether I will able to solve or not.

Posted by Shreya Raj 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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How many diagonal of a rhombus

Posted by Tom Jerry 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Vaibhav Raj 5 years, 3 months ago

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What is the value of tan45?

Posted by Vaikunth Malik 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Madhumita Acharjee 5 years, 3 months ago

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Topper answer sheet how

Posted by Vishnu Chouhan 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Kumar 5 years, 3 months ago

Ans sheet will not given in this app but ques papar is given

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If a diagonal of a parallelogram are equal then show that it is a rectangle

Posted by Kanak Gupta 5 years, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Sarvesh Patidar 5 years, 3 months ago

In parallelogram, all properties are of rectangle except diagonal. Given that diagonals are equal,it is property of rectangle So if diagonal are equal them it is a rectangle

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Dushyant Sharma 5 years, 3 months ago

let a // ABCD then, AB=DC(//side of a //gm) AD=BD(//side of a//gm) DB=DB(common) ◀ABD=~▶DBC(sss) <A=<B=<C=<D =90(By cpct) H.P

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Kalpana Chambers 5 years, 3 months ago

Parallelogram never having same diagonal and having then it is not a parallelogram it is a rectangle only

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What is spatual ability in maths

Posted by Dishant Patidar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Gaurav Kumar 5 years, 3 months ago

If Our physics teacher see this qus then he said that zero batta paratha

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Sarvesh Patidar 5 years, 3 months ago

Are you goba

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Sarvesh Patidar 5 years, 3 months ago

Dishant where are you from

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AB and CD are two Parallel chords of a circle which are on opposite sides of the centre O , such that AB =10cm and CD = 24cm and the distance between them AB and CD is 17cm . Find the radius of the circle

Posted by Tamanna Ansari 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Shreya Raj 5 years, 3 months ago

13 cm

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Dishant Patidar 5 years, 3 months ago

LET CENTRE O

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Can you give me mcqs of maths of ch 13 14 15

Posted by Lakshya Agrawal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Lakshya Agrawal 5 years, 3 months ago

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Gaurav Kumar 5 years, 3 months ago

In this app already mcqs are given

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Find the value of x3+y3-12xy+64 when x+y=-4

Posted by Vivek Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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P.K Garg- quadrilaterals Q. No 41 ??

Posted by Prisha Gupta 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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Exercise .13.7

Posted by Harsimran Kaur 5 years, 3 months ago

CBSE > Class 09 > Mathematics

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Abcd is a rhombus and P,Q,R and S are the mid-point of the sides AB,BS ,CD and DA respectively.Show that the quadrilateral PQRS is a rhombus

Posted by Mɽ Tııgeɽ 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

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How much point are there in cricles

Posted by Priyanka Aher 5 years, 3 months ago

CBSE > Class 09 > Mathematics

6 answers

Gaurav Kumar 5 years, 3 months ago

Infinite

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Anish Kushwaha 5 years, 3 months ago

Infinite

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Poonkuzhali Balusamy 5 years, 3 months ago

Infinite points are there in the circles

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Shreya Raj 5 years, 3 months ago

infinite

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Tushar Kumar 5 years, 3 months ago

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Ajay Kumar 5 years, 3 months ago

1 or 2

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Class 9 ch10.4 question no. 5

Posted by Chirag Agrawal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Gaurav Kumar 5 years, 3 months ago

And also very imp qus

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Gaurav Kumar 5 years, 3 months ago

If i explain this qus then may be or definetly you will not understand so you take the help of your teacher because it is very hard one

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There are 10 students in a class. all will handshake to each other. Calculate the total handshake

Posted by Anshu Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

11 answers

Anshu Kumar 5 years, 3 months ago

Right answer is 45

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Kartavya Dhaka 5 years, 3 months ago

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Rohan Bamniya 5 years, 3 months ago

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Lavya Jain 5 years, 3 months ago

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Lavya Jain 5 years, 3 months ago

90 as

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Tushar Kumar 5 years, 3 months ago

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Ajay Kumar 5 years, 3 months ago

100

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Mukesh Ra 5 years, 3 months ago

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Shreya Raj 5 years, 3 months ago

2Thank You

Chirag Agrawal 5 years, 3 months ago

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Priya Bungla 5 years, 3 months ago

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Find the curved surface area of cone with base radius 5.25 cm and slant height 10cm

Posted by Gautam Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Ajay Kumar 5 years, 3 months ago

Use 22/7*5.25*10

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Find five rational no. Between 1and 2

Posted by Mohsin Ahmad 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Rakshita Rathi 5 years, 3 months ago

Multiply 1 and 2 both by any of these numbers 1, 2 3 ,4 ,5,6,7,8,9,10 then you will get the answer

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Divyansh Vashishtha 5 years, 3 months ago

1.2, 1.4, 1.6, 1.8, 1.9 Converting these decimals into fractions and then to co primes, we get 1.2=12/10=6/5 1.4=14/10=7/5 1.6=16/10=8/5 1.8=18/10=9/5 1.9=19/10=19/10 .

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The side of wall are 13 m 14 m and 15m the advertisement i yields an earning of 2000 rs per m sq. A year a company hired the wall for 6 months how much rent

Posted by Taruna Salecha 5 years, 3 months ago

CBSE > Class 09 > Mathematics