If the radius of sphere is doubled ,then what is the ratio of their surface area
class 9 math please solve
option
A)1:2
B)2:1
C)1:4
D)4:1
Answers
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The increase in surface area is 300% when the radius of a sphere is doubled. Therefore it is concluded that if the radius of a sphere is doubled then the ratio of their surface area is 4 times the old area.
Answered by
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Answer:
The increase in surface area is 300% when the radius of a sphere is doubled. Therefore it is concluded that if the radius of a sphere is doubled then the ratio of their surface area is 4 times the old area
Step-by-step explanation:
yes it is the right one
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