Alexa and Brent are each working on a 30-question assignment. Alexa completed 20% of the questions. Brent completed 30% of the q
1 answer:
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Answer:
The answer is 324π m².
Step-by-step explanation:
Given that the surface area of sphere formula is S.A = 4×π×r² where r is radius. The diameter of sphere is 18m so you have to divide it by 2 to find it's radius :
Then substitute into the formula :
Given:
Number is 96.45.
To find:
The expression that has a value of 96.45.
Solution:
In option a,
In option b,
In option c,
In option d,
Therefore, the correct option is a.