Uplod pic asolve fast fast
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a)Internal dimensions
=27-1.5=25.5 cm
19-1.5=17.5cm
11-1.5=9.5cm
b)Volume of wood
=External volume-Internal Volume
=(27×19×11)-(25.5×17.5×9.5)
=5643-4239.375
=1403.625cm^3
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