When the last child has finished his or her schooling and is no longer dependent on the parents, the Echo stage begins. This is the pre-retirement or "empty nest" stage. For those individuals without children, the Echo stage begins about 10 years before retirement.
The answer is 61.75 because you have to do base times height then divide that answer by two
To find the length of the sides you have to find the square root of 225, I used a calculator and got 15 :)
Answer:
Formula is 4/3×pi×r^3
Volume of sphere is 17157.3 in
Step-by-step explanation:
Use the formula
4/3×3.1416×16×16×16
4/3×3.1416×4096
4/3×12867.9936
51471.9744/3
17157.3248
Approx 17157.3
