A factory has of metal sheet to make a closed cylindrical water tank (including its…
MATHEMATICS · Single correct · GCSE · Mathematics · Geometry and Measures · Geometry and Measures
Problem
A factory has 616 m2 of metal sheet to make a closed cylindrical water tank (including its top and bottom). The design specifies that the height of the tank must be equal to its radius. What radius of tank can be made? (Take π=722)
(a) 8 m
(b) 7 m
(c) 6 m
(d) 10 m