Functions: Mixed exercises
Mixed exercises
The surface area #A# of a cylinder in terms of its radius #r# and height #h# is given by \[A=2\cdot \pi \cdot r^2+2\cdot \pi \cdot r \cdot h\]If the height of the cylinder is #10# meter(s), express the radius as a function of the surface area #A#.
| #r(A)=# |
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