Answer: I think its 1
Step-by-step explanation:
Answer:
The volume of the metal used is 5277.9 cm³.
Step-by-step explanation:
The volume of a cylinder is given by:

Where:
r: is the radius
h: is the height = 50 cm
The volume of metal (
) can be found by subtracting the internal volume (
) from the external volume (
):

The external radius is given by the sum of the internal radius with the tickness:

Hence, the volume is:

Therefore, the volume of the metal used is 5277.9 cm³.
I hope it helps you!
Answer:
it is - 72 are 0
Step-by-step explanation:
If you look closer DG=2xGA, that means that AD will be 3x32cm what is 96cm.
P.S. revise the topic about the centroid