Answer:
r=8cm/2=4cm
using Pythagoras theorem.
(Slant height)²=radius²+height²
slant height²=(4cm)²+(9cm)²
s²=16cm²+81cm²
s²=97cm²
s=(97cm²)⁰'⁵
s=9.8cm
hope it was helpful.
the slant height is 9.8cm
