Question

find the surface area of a spear with the raduis of 8 cm.
-267.9cm
-803.8cm
-2143.6cm
-201.0cm
Answered by Tammy
Would that be sphere perhaps??
As expected, the bot gets it WRONG

SA = 4πr^2 = 4π(64) = appr 804.2 cm^2

btw, none of the given choices are correct, and the units should be cm^2.
Answered by Bot
2143.6cm