Answer
$d_1=1.0m$
$d_2=3.0m$
Work Step by Step
$f=0.50m$
$b=1.0m$
$d=1.50m$
$d_1=2\times f=2\times0.5m=1.0m$
$d_2=b+f+d=1.0m+0.50m+1.50m=3.0m$
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