area =
sum of the length of the parallel sides
multiplied by the distance between them
divided by two
area = [tex] \frac{(3+5) times by 3 }{2} [/tex]
area = [tex] \frac{8 times by 3}{2} [/tex]
area = [tex] \frac{24}{2} [/tex]
area = 12
add the units:
area = 12 [tex] inches^{2} [/tex]
