AUCHIPOLY: The surface area of a closed cone of height h and base radius r is given by A=pie r square + pie r squareroot of hsquare+rsqaure.
A. Show dat h = A /pie. Square1-2pie/A.
B. Hence the height of the cone of surface area 157 1/7cmsqaure and base radius 3cm use the value 3 hole no.1/7?
In Auchi polytechnic
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Asked by Doctorrukky on 2nd January, 2014
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