Waec 2021 Mathematics Question 27

Practice objective / multiple choice question 27 from the 2021 Waec Mathematics examination. This question covers geometry, volume .

Waec 2021 Mathematics Objective / Multiple Choice 3 Difficulty

Topics: geometry volume

Question 27 WAEC • 2021 • MATHEMATICS • objective

A solid brass cube is melted and recast as a solid cone of height \( h \) and base radius \( r \). If the height of the cube is \( h \), find \( r \) in terms of \( h \).

A. \( r=h \).

Correct Answer B. \( r=\sqrt{\frac{3 h}{\pi}} \)

C. \( r=\pi h \)

D. \( r=h \sqrt{\frac{3}{\pi}} \)

Correct Answer

Correct Option:

\( r=\sqrt{\frac{3 h}{\pi}} \)

This is Waec 2021 Mathematics Question 27. It is one of the objective questions from the 2021 Waec Mathematics examination.

The question covers geometry, volume .

Difficulty level: 3 .

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