A rectangular block of metal measuring 4 cm by 5 cm by 6 cm was melted down ti make a block 8 cm long by 3 cm wide. how high was the block?
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a rectangular blocks of metal 4×5×6=120
it makes a blocks 8×3=21
=120×21=2520cm
it makes a blocks 8×3=21
=120×21=2520cm
Krishna11111111111:
Firstly, practice for learning multiplication., wrong answer.
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Volume of first block = l ×b× h
= 6×5×4
=120
Now--
After melting the previous block, new block is formed whose two dimensions are 8 and3.
so, Volume of 2nd block = Vol.of 1st block
L× B×H. = 130
8×3×H. = 130
H. = 130÷ 24
Height of 2nd block = 5•416
= 6×5×4
=120
Now--
After melting the previous block, new block is formed whose two dimensions are 8 and3.
so, Volume of 2nd block = Vol.of 1st block
L× B×H. = 130
8×3×H. = 130
H. = 130÷ 24
Height of 2nd block = 5•416
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