[tex]pole = \frac{1}{2} d \frac{}{1} \times d \frac{}{2} [/tex]
[tex]pole = 24 {cm}^{2} [/tex]
[tex]d\frac{}{1} = 8cm[/tex]
[tex]24 = \frac{1}{2} \times 8 \times d \frac{}{2} [/tex]
[tex]24 = 4 \times d \frac{}{2} [/tex]
[tex]d \frac{}{2} = \frac{24}{4} = 6cm[/tex]
