Calculate the slant height for the given cone. Round to the nearest tenth.

Question

Diameter = 8cm
height = 9 cm

10.2 cm
11.4 cm
9.8 cm
12.0 cm****

Answer 1

s^2 = r^2 + h^2 = (d/2)^2 + h^2
s^2 = 4^2+9^2 = 16+81 = 97
s = 9.8

Answer 2

thank you for correcting me (: @steve