Question

5 A farmer's hat in the shape of a cone has

the dimensions shown below.
T
18 cm
1
H
41 cm
Which is the closest volume of the hat?
A 7,922 cm
C 31,686 cm
B 3,077 cm
D 15,843 cm

Answer 1

the answer is 7917.51cm^3 [OPTION A=7,922cm^3]

Explanation:

radius=d÷2 41÷2 = 20.5, height=18cm

Volume=πr^2h÷3

=3.14×(20.5)^2×18÷3

=(3.14×20.5×20.5×18)÷3

=23752.53÷3

=7917.51cm^3