Question

A rectangular block of wood has dimensions 240 mmx20.5cmx0.040m. Calculate its volume in cm³. 1) 19680cm³ 2) 19.68cm³ 3) 196.8cm³ 4none of these​

Answer 1

Answer:

Explanation:

The volume of rectangular block is l×b×h,

Fitly converting all units to cm,

• length=240mm

1cm=10mm => 240mm= 240× /frac{1}{10}

=> 24cm

• Breadth=20.5cm
• height=0.40m => 40cm

volume= lbh

(24×20.5×40) $cm^{3}$

19680cm^{3}