a)
[tex] \frac{8 \times 3.5}{2} = 4 \times 3.5 = 14[/tex]
b)
[tex] \frac{9 \times 12}{2} = 9 \times 6 = 54[/tex]
c)
[tex]4.5 \times 4.5 = 20.25[/tex]
d)
[tex]6.75 \times 4 = 27[/tex]
e)
[tex]8 \times 3 = 24[/tex]
f)
[tex] \frac{16 \times 12}{2} = 16 \times 6 = 96[/tex]
g)
[tex] \frac{8 \times 14}{2} = 4 \times 14 = 56[/tex]
h)
[tex] \frac{(4 + 12.5) \times 6}{2} = \frac{16.5 \times 6}{2} = 16.5 \times 3 = 49.5[/tex]
