One question before I give my answer , Where did it say she stopped?
Answer:
The second option
Step-by-step explanation:
cos35=5/c
5/c=cos35/1
cos35(c)=5
c=5/cos35
Therefore, the second option.
I hope this helped and have a good rest of your day!
Hey I can’t get the picture to load
Look at the picture.
The formula of the volume of a cylinder:

We have:

Substitute:

The formula of the volume of a sphere:

We have a hemisphere, therefore the formula of the volume is:

We have:

Substitute:

The volume of a silo:
Answer: 763 m³.