The ratio of radii of two spheres is 5:4.the ratio of their whole surface area a will be
Answers
Answered by
3
hope it will help you
Attachments:
sy160170:
Please show full working
Answered by
2
Answer:
25:16
Step-by-step explanation:
let the radius of sphere 1 be R and sphere 2 be r
TSA of a sphere is = 4pie r^2
ratio of there TSA = 4 pie R^2: 4 pie r^2
TSA1:TSA 2= R^2/r^2
= 5*5/4*4
= 25/16
Similar questions