A hose has a diameter of 8mm and a length of 10m. find the surface area and round to the nearest mm squared.

Question

asked Oct 8, 2021 121k views

1 Answer

Arslan Ahmad Khan · Answer 1 · 2021-10-15T03:18:42+0000

Answer:

about 351.86 mm

Explanation:

A = 2πRH+2πR^2

the diameter is given 8mm. since we need the radius, the radius is half the diameter, half of 8 is 4.

The length that given can be used as the height which would be 10.

R=4 & H=10

2π(4)(10)+2π(4)^2

Area is about 351.86 mm