## Equations Involving One Variable Leading to Quadratic Equation| Algebra| ENGG10 LE3| Problem 4

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.

## Equations Involving One Variable| Algebra| ENGG10 LE3| Problem 3

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.

## Linear Equations| Algebra| ENGG10 LE3| Problem 2

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.

## Quadratic Equations| Algebra| ENGG10 LE3| Problem 1

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 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

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