Answer:
08-Oct-2009 — If a spherical balloon has a volume of 972 pi cubic centimeters, what is ... is 4.pi.r^2 (its area remember not volume) as 4/3.pi.r^3=972pi r=9 ... and it is good to know the squares of the next 10 numbers.
Answer:
The right answer for the question is 6.
Right triangles. This only works if it's a right triangle, cuz right triangles have hypotenuses.
The best bench mark to use is an inch. She should use an inch because centimeters are too small and the steps might be less than a foot.