Gegeben: $h=5\text{cm}h=5\backslash ,\backslash text\{cm\}$

$A=15{\text{cm}}^2\backslash quad\backslash quad\; \backslash ;\backslash quad\; A=15\backslash ,\backslash text\{cm\}^2$

gesucht:$g\backslash quad\; g$

Setze in die Flächenformel $A=g\cdot hA=g\backslash cdot\; h$ ein.

$15{\text{cm}}^2=g\cdot 5\text{cm}\mathrm{\mid }:5\text{cm}15\backslash ,\backslash text\{cm\}^2=g\backslash cdot5\backslash ,\backslash text\{cm\}\backslash quad\; |:\backslash ,5\backslash ,\backslash text\{cm\}$

$g=3\text{cm}\backslash color\{red\}\{g=3\backslash ,\backslash text\{cm\}\}$

$\text{gesucht:}h\backslash text\{gesucht:\}\backslash ;h$

Setze in die Flächenformel $A=g\cdot hA=g\backslash cdot\; h$ ein.

gesucht:$A\backslash quad\; A$

Setze in die Flächenformel $A=g\cdot hA=g\backslash cdot\; h$ ein.

$A=10\text{cm}\cdot 4\text{cm}A=10\backslash ,\backslash text\{cm\}\backslash cdot\; 4\backslash ,\backslash text\{cm\}$

$A=40{\text{cm}}^2\backslash color\{red\}\{A=40\; \backslash ,\; \backslash text\{cm\}^2\}$

gesucht: $A\backslash quad\; A$

Setze in die Flächenformel $A=g\cdot hA=g\; \backslash cdot\; h$ ein.

$A=54\text{cm}\cdot 11\text{cm}A=54\backslash ,\backslash text\{cm\}\backslash cdot\; 11\backslash ,\backslash text\{cm\}$

$A=594{\text{cm}}^2\backslash color\{red\}\{A=594\backslash ,\backslash text\{cm\}^2\}$