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Find the correct to two decimal places, the volume of a sphere whose radius is...

Mathematics
WAEC 2022

Find the correct to two decimal places, the volume of a sphere whose radius is 3cm. [Take π = \(\frac{22}{7}\)]

  • A. 72.57cm\(^3\)
  • B. 88.12cm\(^3\)
  • C. 10529cm\(^3\)
  • D. 113.14cm\(^3\)
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Correct Answer: Option D
Explanation

Volume of sphere =  \(\frac{4πr^3}{3}\) →   \(\frac{4 x 22  x 3^3}{3}\)

=  \(\frac{792}{7}\)

= 113.14cm\(^3\)


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free