Question

Volume of a cuboid is 34.50 cubic metre. Breadth the height of the cuboid is 1.5m and 1.15m respectively. Find it's length .

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Answer 1

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✯ ɢɪᴠᴇɴ -

• Volume = 34.50 cu.m
• Breadth = 1.5 m
• Height = 1.15 m

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✯ ꜰᴏʀᴍᴜʟᴀ -

Volume of cuboid = l + b + h

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✯ ꜱᴏʟᴜᴛɪᴏɴ -

$\bf 34.5 = l × 1.5 × 1.15$

$\bf\frac {345}{10}= \: l× \frac{15}{10}× \frac{115}{100}$

$</p><p>\bf\therefore \: l = \frac{345×10×100}{10×15×115}$

$\bf\therefore l = 20 \: m \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ </p><p> \therefore \: \fbox{ \: length \: of \: cuboid \: is \: 20 \: m}.$

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