a) 320 cm3
b) 300 cm3
c) 310 cm3
d) 300.5 cm3
Answer: a
Explanation: Length of parallel sides of prism = 10 cm and 6 cm
Height of prism = 8 cm
Volume of prism :
$$\eqalign{
& = \frac{1}{2}\left( {10 + 6} \right) \times 5 \times 8 \cr
& = \frac{1}{2} \times 16 \times 5 \times 8 \cr
& = 320{\text{ c}}{{\text{m}}^3} \cr} $$
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