if the radius of a sphere is increased by 100% what will the percentage increase in its surface area and volume
Answers
Answered by
1
Answer:
If the radius of a sphere is increased by 100%, by what per cent does its volume increase?
A) 3
B) 9
C) 5
D) 7
Correct Answer:
D) 7
Description for Correct answer:
Here, x = 100%
According to the formula,
Percentage increase in volume
= [(1+x100)3−1]×100%
= [(1+100100)3−1]×100%
= [8−1]×100% = 700%
Answered by
2
Answer: Volume is increased by 7%
Step-by-step explanation:
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