Find the surface area of a …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

Find the surface area of a sphere of diameter: (I) 21 cm

Posted by Prabhat Patel 10 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Abhishek Sharma 10 months, 1 week ago

4 π r² = 4 x 22 / 7 x (21/2)² = 1386 sq cm

0Thank You

ANSWER

Related Questions

X³-12x²+39x-28

Posted by Sukhi Devasi 2 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

Ch-1 introduction

Posted by Sheikh Alfaz 2 months ago

CBSE > Class 09 > Mathematics

0 answers

The polynomial of the type ax²+bx+c,a=0 is called

Posted by Gnani Yogi 2 months ago

CBSE > Class 09 > Mathematics

0 answers

sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

Posted by Akhilesh Patidar 2 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

Cost of a pen is two and half times the cost of a pencil. Express the situation as a linear equation in two variables

Posted by Kirshika Ganesh 2 months ago

CBSE > Class 09 > Mathematics

0 answers

Prove that the sum of all the three interior angles of a triangle is 180 degree

Posted by Savitha Savitha 2 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

2x+5y

Posted by Yash Pandey 2 months ago

CBSE > Class 09 > Mathematics

0 answers

3√2×4√2×12√32

Posted by Manas Khurana 2 months, 1 week ago

CBSE > Class 09 > Mathematics

0 answers

What is 38747484±393884747

Posted by Alvin Thomas 2 months ago

CBSE > Class 09 > Mathematics

0 answers

Ndovdgdhveieb

Posted by T Prudhvi 1 week, 2 days ago

CBSE > Class 09 > Mathematics

0 answers

myCBSEguide

CBSE, JEE, NEET, CUET

myCBSEguide

Test Generator

CUET Mock Tests

Download myCBSEguide App

All Courses

Other Websites

CBSE Courses

Resources

Corporate

NCERT Solutions

CBSE Sample Papers