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

Steps: Draw a line BC of 12 cm At point B draw angle of 90 degree Draw the line to a point X On BX make an arc of 18 cm name that point D Join C to D Draw perpendicular bisector of CD Join the perpendicular bisector on line BX name the point A Join A to C Therefore, ABC is the required triangle

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If x=7 + underoot 40 find

Posted by Digvijay Maan 6 years ago

CBSE > Class 09 > Mathematics

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7(x+2)+(2x-2)=x\2+7(6-x)

Posted by Abhishek Shaw 6 years ago

CBSE > Class 09 > Mathematics

2 answers

$Oh∆M Thite 6 years ago

X= 84/31

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$Oh∆M Thite 6 years ago

84/31

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How we say it is parallelogram

Posted by Shashank Singh 6 years ago

CBSE > Class 09 > Mathematics

2 answers

$Oh∆M Thite 6 years ago

When quadrilateral has its opp. pairs equal or parallel. - Diagonals bisect each other. - One pair of opp. side is equal and parallel (not like 1st sentence). - Diagonals are angel bisector.

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Tanish Jassal 6 years ago

When the quadrilateral have the opposite side are equal and the two lines bisect each other and are at equal same distance between them

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Quadrilaterals practice paper 1 solution

Posted by Shriya Singh 6 years ago

CBSE > Class 09 > Mathematics

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If O is a point within a quadrilateral ABCD,show that OA+OB+OC+OD>AC+BD.

Posted by Kishlay Singh 6 years ago

CBSE > Class 09 > Mathematics

2 answers

Kishlay Singh 6 years ago

My question is right.U can google it.

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Suraj Prajapati 6 years ago

Your question is wrong because OA+OC = AC let be 1 equation OB+OD = BD let be 2 equation Adding 1 and 2 equations We get, OA+OB+OC+OD=AC+BD

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Akash bought vegetables weighing 10 kg. Out of this, 3kg500g is onion, 2kg 75g is tomatoes and the rest is potatoes. What is the weight of the potatoes

Posted by Rudra Roy 6 years ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 6 years ago

Given
Total weight = 10kg
Weight of onions = 3.5 kg
Weight of tomatoes = 2.075kg
Let weight of potato be x
⇒ 3.5 + 2.075 + x = 10
⇒ 5.575 + x = 10
⇒ x = 10 - 5.575
⇒ x = 4.425
∴ x = 4kg 425g
Therefore weight of potatoes = 4kg425g

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What is median in easy language ?

Posted by Anshika Vishwakarma 6 years ago

CBSE > Class 09 > Mathematics

2 answers

Vanshul Sharda 6 years ago

median is the even and odd thing

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Asifa Naaz 6 years ago

The line in a triangle from its vertex to its base which bisect the base and divide the triangle into two equal parts

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Find the perimeter of an isosceles triangle having an area of 100 sq.cm

Posted by Harsh Raj 6 years ago

CBSE > Class 09 > Mathematics

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Mujhe ch 9 , 10 , and 12 ka all theorem and example ka solution cahiya.

Posted by Dhiraj Roy 6 years ago

CBSE > Class 09 > Mathematics

1 answers

Saloni Kumari 6 years ago

Itna time to nahi h ki itna theorem ka solution du but aap book khol ke par lo samaj jaoga

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A closed iron tank 12m long, 9mwide and deep is to be made determine the cost of iron sheet used at the rate of rs 5per m sheet ,sheet being 2m wide.

Posted by Vedanta Kachhawa 6 years ago

CBSE > Class 09 > Mathematics

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Sanjeev made an arrangement with red and grey colour paper sheets as show in figure.find the total area of the red and grey paper sheets used in making the arrangement

Posted by Janvi Malhotra 6 years ago

CBSE > Class 09 > Mathematics

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If ABCD is a rectangle which diagonal are equally bisects each other at centre O. Prove that ABCD is a rhombus

Posted by Harshita Jain 6 years ago

CBSE > Class 09 > Mathematics

2 answers

Ayush Bhandari 6 years ago

Surface area and volume

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Ishu Narayan 5 years, 8 months ago

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A cylindrical pillar is 50 cm in diameter and 3.5 metre in height find the cost of painting the curved surface of the pillar at the rate of rupees 12.50 per meter2?

Posted by Lav Yadav 6 years ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 6 years ago

Radius = 0.25m
Height = 3.5m
Radius = 1m
CSA = 2pie r h
= 2×22/7×0.25×3.5
= 5.5m^2

Cost of painting one m^2 = 12.50
Cost of painting 5.5m^2 = 12.50 × 5.5
= 68.75 rs.

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4'-5'

Posted by Narayan Behera 6 years ago

CBSE > Class 09 > Mathematics