Question

I'm having trouble understanding, can someone please give an explanation

I don't get it when the line is going straight across

Answer 1

What the person above me said

Answer 2

question 5 = 167.5ft^3 so yeah correct

question 6 = the 4th answer = 2388ft^3

Volume using full pi = ; 2389.2ft^3 or 2389 ft^3 to 4sf.

Explanation:

question 6 =

We have 13 Diameter. Which is 6.5 radius

D = 13

R = 6.5

H = 18

Surface area a of cylinder pi x 6.5^2 = 132.73229

or 42.25pi

Then we just multiply by the height to get the volume.

42.25x 18 = 760.18 pi

or 132.73229 x 18 =2389.18122

Volume = 2389.2ft^3 or 2389 ft^3 to 4sf.

As the answer given is 2388ft^3 then show your pi workings as 3.14 or 3.1459