luas bangun gabubgan di atas.... cm²

Ltrapesium =
[tex] \frac{a + b}{2} \times t \\ \frac{9 + 24}{2} \times 6 = {99cm}^{2} [/tex]
Ljajargenjang =
[tex]a \times t \\ 24 \times 6 = {144 \: cm}^{2} [/tex]
Luas gabungan =
[tex]99 + 144 = {243 \: cm}^{2} [/tex]