Square formulas

Sir SagarJanuary 10, 2015January 10, 20150

Square formulas

Side of a square: a
Diagonal: d
Radius of circumscribed circle: R
Radius of inscribed circle: r
Perimeter: L
Area: S

1. d = a $\sqrt{2}$

2. R = $\frac{d}{2} = \frac{a\sqrt{2}}{2}$

3. r = $\frac{a}{2}$

4. L = 4a

5. S = $a^{2}$

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