# <span lang="EN-GB

Surface area of a shere = 4πr2, where r is radius

(i) r is 10.5 cm

surface area = 4 × (22/7) × (10.5)2 = 1386 cm2

(ii) r is 5.6 cm

surface area = 4 × (22/7) × 5.62 = 394.24 cm2

(iii) r is 14 cm

surface area = 4 × (22/7) × 142 = 2464 cm2

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Angle Sum Property of a Triangle49 mins
Eliminating India's Poverty48 mins
Solving most Important Questions43 mins
Poverty in India51 mins
People As Resources53 mins
Motion is a Relative Term41 mins
Work and Types of Work done40 mins
Kinetic and Potential Energy39 mins
Construction-244 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses
RELATED QUESTIONS :

The volumes of thRS Aggarwal & V Aggarwal - Mathematics

If the surface arRS Aggarwal & V Aggarwal - Mathematics

<span lang=RD Sharma - Mathematics

<span lang="EN-USRS Aggarwal & V Aggarwal - Mathematics

<span lang="EN-USRS Aggarwal & V Aggarwal - Mathematics

<span lang="EN-USRS Aggarwal & V Aggarwal - Mathematics