Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Assume
π
=
22
7
\pi=\frac{22}{7}
π
=
7
22
, unless stated otherwise. 7. Find the volume of a sphere whose surface area is
154
c
m
2
154 \mathrm{~cm}^{2}
154
cm
2
.
Browse the problem library