Question

ques 11 plz help me....

Answer 1

$ASSALAMUALAIKUM$

Given : width of road roller = 1 m =100 cm

inner diameter = 54 cm

inner radius (r1)= 54/2 =27 cm

thickness = 9 cm

outer radius (r2) = 27+9 = 36 cm

volume of road roller (iron)= π*r^2*h

= π*(r2-r1)*h

=π*(36^2-27^2)*100

=22/7*567*100

=178038

weight of 1 cm^3 = 8 gms

weight of 178038 cm^3 = 8*178038

= 1424304gms


$= 1424.304 kg. -$

$INSHAALLAH IT WILL HELP YOU!$