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