a) 1$mm^{2}$ = $\frac{1}{100}$ $cm^{2}$ b) 1$cm^{2}$ = $\frac{1}{100}$ $dm^{2}$
5$mm^{2}$ = $\frac{5}{100}$ $cm^{2}$ 8 $cm^{2}$ = $\frac{8}{100}$ $dm^{2}$
84$mm^{2}$ = $\frac{84}{100}$ $cm^{2}$ 27$cm^{2}$ = $\frac{27}{100}$ $dm^{2}$
a) 1$mm^{2}$ = $\frac{1}{100}$ $cm^{2}$ b) 1$cm^{2}$ = $\frac{1}{100}$ $dm^{2}$
5$mm^{2}$ = $\frac{5}{100}$ $cm^{2}$ 8 $cm^{2}$ = $\frac{8}{100}$ $dm^{2}$
84$mm^{2}$ = $\frac{84}{100}$ $cm^{2}$ 27$cm^{2}$ = $\frac{27}{100}$ $dm^{2}$