CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

If perimeter and radius is given,we can find the length of the arc. 25=8+8+length of arc Length of the arc =25-16=9cm Now we can find the angle of the sector 9cm= angle÷360×2×22÷7×8 Angle=5670÷88 Area of the sector=angle÷360×22÷7×8×8 =5670×22×8×8÷88×360×7 =36cmsq.

0Thank You

ANSWER

What is bioSphere

Posted by Rohit Rawat 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Akshita Wadhwa 6 years, 11 months ago

Biosphere is the term which contain all the three spheres that is lithosphere(land) , hydrosphere(water) and atmosphere(air).

2Thank You

Mutyala Gayathri 6 years, 11 months ago

It is the spher which contains all the spheres.

0Thank You

ANSWER

CosecA+1= cosA CosecA-1 1-sinA

Posted by Kratika Upadhyay 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Can you tell me all the formula of class 10 ? Chapterwise

Posted by Alok Samrat 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Trigonometric identities

Posted by Yashi Rastogi 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Aman Koli 6 years, 11 months ago

Sin2 +cos2=1 Cosec2=cot2+1

0Thank You

ANSWER

find the positive value of k for which the equation 2x-5x-4=0 and 2x -8x + k

Posted by Shreya Prasad 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Chētnà Pandey✌️ 6 years, 11 months ago

I think the question is wrong there is no sitiuation like infinite many solution ,no solution and unique solution so plz check and ur equation is also wrong.

1Thank You

ANSWER

In a right triangle ABC a circle is drawn with AB as diameter which intersects hypotenuse AC at P. Prove that PB = PC.

Posted by Mohit Bhardwaj 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Tignomentri me kitne formule h

Posted by Nisha Khan 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Chētnà Pandey✌️ 6 years, 11 months ago

अनगिनत

0Thank You

ANSWER

If sinA=1/3 then find the value of 2 cot2A +2

Posted by Asheerya Kushwaha 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Divya Garg 6 years, 11 months ago

18....

0Thank You

ANSWER

If E is a point on side CA of an equilateral triangle ABC such that BE perpendicular CA ,then prove that AB2+BC2+CA2=4BC2

Posted by Kamal Kishor Mishra 6 years, 11 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Which is importent question in probability

Posted by @Jay Bunkar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

@ M 6 years, 11 months ago

Card n dice ques

0Thank You

Yash Napte 6 years, 11 months ago

More than the cards question try out rd sharma

1Thank You

Cutie Pie ? 6 years, 11 months ago

Questions related to card

0Thank You

Manohar Mishra 6 years, 11 months ago

Card question

2Thank You

ANSWER

2*cos^2 77°+1+2*cos^2 13°/5*sec^2 25°+8-5*cot^2 65

Posted by Hetal Purohit 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Mohit Bhardwaj 6 years, 11 months ago

Change any cos into sin and sec into cosec...... U will get formulae... Apply them..

0Thank You

ANSWER

Ncert optional questions should be studied or not?

Posted by Anshika Agrawal 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Anvika Rana 6 years, 11 months ago

Yes they should be given as much as importance as the other exercises...they r helpful too??

2Thank You

Raushan Kumar 6 years, 11 months ago

Yes it also helps us

6Thank You

ANSWER

Sin2/sin7

Posted by Harsh Sharma 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

?☠Debraj Bairagi☠? 6 years, 11 months ago

Sin of small angle is same as the angles so here the value is 2/7

0Thank You

ANSWER

In gives figure ST !! RQ,PS- 3cm and SR-4 cm .Find the ratio of the area of PST to the to area of PRQ

Posted by Golu Yadav 6 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 6 months ago

PS = 3 cm, SR = 4 cm and ST || RQ.
PR = PS + SR
= 3 + 4 = 7 cm
In {tex}\triangle{/tex}PST and {tex}\triangle{/tex}PRQ
{tex}\angle{/tex}SPT {tex}\cong{/tex} {tex}\angle{/tex}RPQ (common angle)
{tex}\angle{/tex}PST {tex}\cong{/tex} {tex}\angle{/tex}PRQ (Alternate angle)
{tex}\triangle{/tex}PST {tex}\sim{/tex} {tex}\triangle{/tex}PRQ (AA configuration)
{tex}\frac { \text { ar } \Delta P S T } { \text { ar } \Delta P Q R } = \frac { P S ^ { 2 } } { P R ^ { 2 } } {/tex}{tex}= \frac { 3 ^ { 2 } } { 7 ^ { 2 } } = \frac { 9 } { 49 }{/tex}
Hence required ratio = 9 : 49.

0Thank You

ANSWER

Chapter 14 in maths question important

Posted by @Jay Bunkar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Anshika Negi 6 years, 11 months ago

Example 8 this type of questions Will come and exercise 14.3 question 2 and exercise 14.3 is very important one question of 5 marks will come always

4Thank You

@Jay Bunkar 6 years, 11 months ago

In NCRT book

0Thank You

ANSWER

Cos +tan/sin+cos 1

Posted by Anupam Mathur 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

?☠Debraj Bairagi☠? 6 years, 11 months ago

What is the 1,^or°

1Thank You

ANSWER

55.23 + 23.56

Posted by Shikshan Bm 6 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Anshika Negi 6 years, 11 months ago

78.79

0Thank You

Md Soyeb 6 years, 11 months ago

78.79

0Thank You

?☠Debraj Bairagi☠? 6 years, 11 months ago

78.79

1Thank You

ANSWER

Find the coordinates of the points which divide the line segment joining the points (4,0)&(0,6) into four equal parts

Posted by Kuruva Vyshnavi 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

?☠Debraj Bairagi☠? 6 years, 11 months ago

(3,1.5),(2,3),(1,4.5)

0Thank You

ANSWER

draw a line segment of length 7.6 cm and divide it in the ratio 5:8 measure the parts

Posted by Aditya Gurjar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

2 answers

Simar Simar 6 years, 11 months ago

Draw a triangle ABC with side BC = 6 cm, AB = 5 cm and ∠ABC = 60°. Then construct a triangle whose sides are of the corresponding sides of the triangle ABC.triangle whose sides are times the corres ponding sides of the isosceles triangle.

0Thank You

Aditya Gurjar 6 years, 11 months ago

answer?

0Thank You

ANSWER

Which is which is important question in 7 chapter maths NCRT books

Posted by @Jay Bunkar 6 years, 11 months ago

CBSE > Class 10 > Mathematics