Question

me ajudem nessa questão por favor

Answer 1

$\frac{b*h}{2}$

a)
9*7/2
63/2 → 31,5m²

b)
11,4*8/2
91,2/2 → 45,6m²

c)
14*6,2/2
7*6,2 → 43,4m²

d)
5,6*8,3/2
2,8*8,3 → 23,24m²