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Two spheres have radii of 5 and 9. What is the ratio of their surface areas? a. 5:9 b. 25:81 c. 10:18 d. 125:729

Two spheres have radii of 5 and 9. What is the ratio of their surface areas? a. 5:9 b. 25:81 c. 10:18 d. 125:729
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Two spheres have radii of 5 and 9. What is the ratio of their surface areas?

a. 5:9
b. 25:81
c. 10:18
d. 125:729

asked
User Teknoraver
by
8.3k points

1 Answer

1 vote
the answer is B, 25:81
answered
User Jamie Young
by
8.2k points
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