Question

A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm³; find the value of x.

Answer 1

We know that

1 mm = `1/10` cm

8 mm = `8/10` cm

Volume = Base area × Height

⇒ 2880 cm³ = `x xx x xx 8/10`

⇒ `2880 xx10/8` = x²

⇒ x² = 3600

⇒ x = 60 cm