14. If the ratio of radii of two spheres is 2.3. What is the ratio of their surface
areas?
Answers
Answered by
1
Step-by-step explanation:
Let common multiple be x
R1=2x
R2=3x
surface area of sphere =4πr^2
ratio= 4πR1^2/4πR2^2
=R1^2/R2^2
=4x^2/9x^2
=4:9
Answered by
1
4:9 is the ratio of their surface areas.
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