a)
[tex] \frac{e \times f}{2} = \frac{24 \times 32}{2} = \frac{12 \times 36}{1} = 432 {cm}^{2} [/tex]
b)
[tex]a \times h = 4 \times 5 = 20 {cm}^{2} [/tex]
c)
[tex]a \times h = 3 \times 3 = 9 {cm}^{2} [/tex]
Myślę że pomogłem ;)
