Asked by Kelvin

(1) A cone has height of 8cm and circular radius 6cm calculate (a) It's Volume (b) It's Slant Height (c) The Curved Surface Area (d) The Total Surface Area

Answers

Answered by Anonymous
r=3
use pythagoras to work out slant height (s) if h=8, ==> √(3^2+8^2)=s

pretty much plug in these values into the formula for a,c,d. Curved surface area is pi*r*s, don't count the base.
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