Neco Model Questions Vol1 2021 Geography Question 39
Practice objective / multiple choice question 39 from the 2021 Neco Model Questions Vol1 Geography examination.
A hill is approximated as a right circular cone. Its base circumference is 3 140 m and its original height is 120 m. Quarrying removes the top portion, leaving a frustum whose height is 90 m (i.e., the upper 30 m of the cone is removed). Calculate the volume of material extracted (in cubic metres, give your answer to the nearest thousand).
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About This Question
This is Neco Model Questions Vol1 2021 Geography Question 39. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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