If a regular polygon of ten sides is inscribed in a circle of radius r units, then, if s units is the length of the side, r/s=s/(r-s) Solve this formula for s in terms of r.

# Tag: solution of quadratic equation

If a regular polygon of ten sides is inscribed in a circle of radius r units, then, if s units is the length of the side, r/s=s/(r-s) Solve this formula for s in terms of r.

If a regular polygon of ten sides is inscribed in a circle of radius r units, then, if s units is the length of the side, r/s=s/(r-s) Solve this formula for s in terms of r.

How to solve any single-variable equation using the Shift-Solve function of a Casio fx570ES or 991Es/Plus Calculator

How to solve a quadratic equation of the form ax^2+bx+c=0 using a Casio fx570ES or 991Es/Plus Calculator