[tex]a) \ \it \mathcal{A} = \dfrac{c_1\cdot c_2}{2} =\dfrac{4\cdot4}{2} =8\ cm^2
[/tex]
[tex]
b)\ \it\mathcal{A}= \dfrac{baza\ \cdot \ inaltimea}{2} =\dfrac{8\cdot12}{2} =48\ cm^2[/tex]
[tex]c) \ \it \mathcal{A} = \dfrac{c_1\cdot c_2}{2} =\dfrac{6\cdot 8}{2} =24\ cm^2[/tex]
[tex] d)\ \it\mathcal{A}= \dfrac{ipotenuza\ \cdot \ inaltimea}{2} =\dfrac{24\cdot6}{2} =72\ cm^2[/tex]
