Answer:
The area of the base B is equal to

The volume is equal to

Explanation:
I will proceed to resolve the problem indicated in the attached figure.
The figure shown a inverted rectangular pyramid
The base is a rectangle
The area of the base B is equal to

To find how many cubic centimeters of titanium are needed to manufacture one tip, calculate the volume of the figure
Find the volume of the inverted rectangular pyramid
The volume of the pyramid is equal to

we have


substitute
