Answer:

Step-by-step explanation:
The geometric description of the vase is described in the image attached below. The volume of the solid part of the vase is:


Where:
- Outer diameter, in centimeters.
- Vase thickness, in centimeters.
Full Answer.
If the triangle is an equilateral triangle, then all three angles are exactly 60 degrees each. A right-angled triangle has one angle of 90 degrees, which is the right angle, with two more angles that total 90 degrees when added together.
Answer:
68
Step-by-step explanation:
Depends on your foot size. I’d go with the 8 as when you hike etc your feet can “swell” some.