Discussion
If a rectangular cuboid is 9cm long and 8cm wide with volume of 450cm³ then height of cuboid in 'cm' is
Answer: B
Rearrange the cuboid volume formula for the missing dimension.
\[ V = l \times b \times h \quad\Longrightarrow\quad h = \frac{V}{l \times b} \]
\[ h = \frac{450}{9 \times 8} = \frac{450}{72} = 6.25 \text{ cm} \]
Checking: \( 9 \times 8 \times 6.25 = 450 \) cm³, as required.
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