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15 votes
Pls help................

Pls help................-example-1
User Sebdelsol
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1 Answer

14 votes
hi i got 9cm
i replaced each block with the variable x
i set the first line of blocks equal to the second line of blocks
then solved for x
x=9
Pls help................-example-1
User Killjoy
by
8.5k points

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