can anyone help me with these 2 questions pls?

Question

Calculate the slant height for the given cone. Round to the nearest tenth.
(1 point)

Diameter = 8
Height = 9

10.2 cm
11.4 cm
9.8 cm
12.0 cm

Calculate the length of the diagonal for the given rectangular prism. Round to the nearest tenth.
(1 point)

Length = 14
Width = 3
Height = 4

16.7
14.3
14.8***
15.6

i don't know the first one:( and i am not 100% sure on the 2nd one...
can someone pls help me asap!??
thanx in advance

Answer 1

I assume you mean the diameter of the circular base of the cone, so the radius is 4
slant-height^2 = 9^2 + 4^2 = 97
slant-height = √97 = appr 9.85

your second question is correct