Asked by jazlyn johnson
how can you use four rods that measure 2cm, 5cm, 7cm, and 9cm to measure a length of 1 cm?
Answers
Answered by
Bosnian
( 5 + 7 ) - ( 9 + 2 ) = 12 - 11 = 1 cm
Put the 7cm and 5 cm rods together = 12 cm
Put the 9cm and 2cm rods together = 11 cm
Difference between is 1cm thus, you can use that difference to measure 1 cm.
Put the 7cm and 5 cm rods together = 12 cm
Put the 9cm and 2cm rods together = 11 cm
Difference between is 1cm thus, you can use that difference to measure 1 cm.
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