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Find the radius of a sphere whose surface area is 154 cm2 [take π = 22/7]
- A. 1.75cm
- B. 3.00cm
- C. 3.50cm
- D. 7.00cm
QUICK ANSWER…
C
SOLUTION…
Surface area of sphere:
Now for the right answer to the above question:
- Option A is incorrect.
- Option B is incorrect.
- C is correct.
- D is not the correct answer.
QUICK TIPS…
You may please note these/this:
- Surface area of a sphere is given by 4 times pi times r-square.
Use the questions and answers session to deal further on this topic…
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/ culled from 2018 JAMB-UTME mathematics question 39 /
