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Prove that the perpendicular bisectors of the sides of a cyclic quadrilateral are concurrent??

Posted by Manasvi Niranjan 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Exercise 1.3 1st roman

Posted by Chaitra Vaddi Vaddi Chaitra 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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In the adjoining figure,AB is a diameter of a circle with centre O.If anglePAB=55°,anglePBQ=25°and angke ABR=50°,then find anglePBA and angle BAR

Posted by Rahul Dansena 1 year, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Sonali Sonali 1 year, 3 months ago

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Rahul Dansena 1 year, 3 months ago

In the adjoining figure,AB is a diameter of a circle with centre O.If anglePAB=55°,anglePBQ=25°and angke ABR=50°,then find anglePBA and angle BAR

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Water flow in a tank 16 m ×14 m at the base through a pipe whose cross section is 2dm by 1.5 dm at at the speed of 8 km per hour. In what time will the water be 5m Deep?

Posted by Laxmi Kumari 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Keshav owns a Mobile showroom of a popular brand. The number of mobiles sold by the shop can be modelled by the expression N (t) = 9t + 35 and the selling price per mobile is modelled by an expression S (t) = 3t^2+46t+15 where t is the number of months in a year. (i) Find the number of mobiles sold in one and half years. (ii) Find the expression which show the amount of revenue generated by the showroom ?

Posted by Himanshu Lohar 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Solve the equation 3x+2=2x-2 and represent the solution on the cartesian plane

Posted by Sumit Raj 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Nitin Maurya 1 year, 3 months ago

Determine the point on the graph of the equation 5x+2y=20 whose x co ordinate is 5/2 times it's ordinate

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Prove that the angle subtended by an arc at the centre is double the angle subtended by an arc on any point of the circle

Posted by Diya Saini 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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A cylinder and a cone have equal height and equal radii of their bases.If their curved surface areas are in the ratio 8:5.Show that the ratio of radius to height each is 3:4.

Posted by Natasha Attri 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Simplify the following equation: X2+x4+x3

Posted by Uday Gaikwad 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Find square root of 2

Posted by Anshika Anshika 1 year, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Shefa Shefa 1 year, 3 months ago

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Account Deleted 1 year, 3 months ago

Root 1.414

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How to find lying rational number between two no ..

Posted by Archita Singh 1 year, 3 months ago

CBSE > Class 09 > Mathematics

5 answers

Divyanshi Songara 1 year, 3 months ago

And then jo ans aya use ke bich ke no. Likh do

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Divyanshi Songara 1 year, 3 months ago

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Mugdha 1 year, 3 months ago

https://youtu.be/lg04THe8wfY?si=PeYGwD9V4VfwQ9EN How to find lying rational number between two no ..

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Mugdha 1 year, 3 months ago

For finding rational numbers between two rational numbers with different denominators, we first find their equivalent fraction with the same denominator and then find the rational number between them. For example, for finding numbers between −13 and 59. , we convert −13 to −1×33×3=−39.

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Shaik Shabnam 1 year, 3 months ago

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The distance of the point (2,3)from the y-axis

Posted by Himesh Dixit 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Sridevi Thanigaivel 1 year, 3 months ago

Ans:3 because it has y axis qs 3.

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A+b ka whole squar

Posted by Anshu Mehta 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Zarul Sharma 1 year, 3 months ago

(a+b)²=a²+b²+2ab

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Mugdha 1 year, 3 months ago

(a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 a2 – b2 = (a + b)(a – b) (x + a)(x + b) = x2 + (a + b) x + ab (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca (a + b)3 = a3 + b3 + 3ab (a + b) (a – b)3 = a3 – b3 – 3ab (a – b) a3 + b3 + c3– 3abc = (a + b + c)(a2 + b2 + c2 – ab – bc – ca)

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Aamna Shaikh 1 year, 3 months ago

(a+b)²=a²+2ab+b²

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Arpit Sharma Sharma 1 year, 3 months ago

(a+b)²- a²+2ab+b²

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Ex 7.1 Q8

Posted by Abhinav Sain 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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A Bus stop is Barricaded from the rem - -aining part of the road, by using 50 hollow Cones made of recycled Cardboard. Each Cone • has a base diameter of 40cm and heigh 1m. If the Outer side of each of the Cones is to Be painted and the Cost of Painting is Rs 12per m², what will be the cost of Painting all these 2 Cones (user = 3.14 and take √1.04 = 1.02)

Posted by Krishna Yadav 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Abhinav Sharma 1 year, 3 months ago

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Write the equation 4y=13 in standard form and write the value of a,b and c.

Posted by Anushka Siwach 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Abhinav Sain 1 year, 3 months ago

A = 0 Y= 4 C = -13

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Deepak Pathak 1 year, 3 months ago

0x+4y+(-13)and x=0, y=4and C=-13

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3^x-3^x-1=54

Posted by Shrushti Shrushti 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Sagar Tripathi 1 year, 3 months ago

1=-54

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In fig ad is the median and DE parallel to AB prove that BEis the median

Posted by Himanshu Rajawat 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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The ratio of the volumes of the two cones is 4:5 and the ration of their bases is 2:3.find the ratio of their vertical height

Posted by Yukti Jain 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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The internal and external radii of a semi- spherical cup are r₁ and r₂ respectively. The curved surface area of the cup is (a) \pi({r_{1}}^{2}+r_{2}^{2}) (c) 2\pi(r_{2}^{2}-r_{1}^{2}) (b 2\pi(r_{1}^{2}+r_{2}^{2}) (d) \pi({r_{2}}^{2}-{r_{1}}^{2})

Posted by Krishna Singh 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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If 4^x+4^x-1=32 find x

Posted by Kashish Shetty 1 year, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Harshit Gupta 1 year, 3 months ago

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What is the full form of C P C T

Posted by Laxmi Kumari 1 year, 3 months ago

CBSE > Class 09 > Mathematics

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Tannu Sishwal 1 year, 3 months ago

CPCT refers to Corresponding parts of Congruent Triangle, i.e. if 2 triangles are congruent, they are exactly the mirror images of each other and the corresponding parts of both the triangles including length of sides as well as angles can be inferred to be equal. Q.

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Vibhanshu Kumar 1 year, 3 months ago

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Kashish Shetty 1 year, 3 months ago

Corresponding parts of congruent triangle

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Aryan Shukla 1 year, 3 months ago

Corresponding part of congruent triangle

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Runakshi Aggarwal 1 year, 3 months ago

Corresponding part of triangles

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If the bisector of an angle of triangle bisects the opposite side,prove that the triangle is isosceles

Posted by Saikh Naweed 1 year, 4 months ago

CBSE > Class 09 > Mathematics

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Laxmi Kumari 1 year, 3 months ago

If the bisector of an angle of a triangle bisect the opposite side then triangle is an isosceles because the bisector of any two adjacent angle of a square from an isosceles right angle triangle

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Express as a linear equation in two variables 4x-1=3

Posted by Samiksha Chalwadi 1 year, 4 months ago

CBSE > Class 09 > Mathematics

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Vibhanshu Kumar 1 year, 3 months ago

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Riyashini Durairaj 1 year, 4 months ago

4x-1-3=0

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In given figure find the value of x

Posted by Harsimran Kaur 1 year, 4 months ago

CBSE > Class 09 > Mathematics

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Find the mean 4,5,5,8,9,9,7, 8,9,8,9,8,9,0,8

Posted by Harsh Singh Rajput Harsh 1 year, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Awari 1 year, 3 months ago

Mean= sum of observation/ total number of observation Mean=4+5+5+8+9+9+7+8+9+8+9+8+9+0+8/15 Mean=106/15 Mean=7.0666666666666 ——————— [Mean=7.07] ———————

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harshsinghrajput340@gmail.com

Posted by Harsh Singh Rajput Harsh 1 year, 4 months ago

CBSE > Class 09 > Mathematics

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Komal Choudhary 1 year, 3 months ago

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Divyanshi Songara 1 year, 3 months ago

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134537+158832-(-35872×675÷68)-68900

Posted by Atharv Bisen 1 year, 4 months ago

CBSE > Class 09 > Mathematics