a rectangular metal block has length 10cm breadth 8cm height 2cm . Fron this block a circular hole of diameter 3.5 is drilled out. Calculate volume of remaining solid and its T.S.A
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lenght..10cm
breadth..8cm
height..2cm
suface area of rectangular block= L×b×h=160cm
diameter of circular hole =3.5
radius 3.5/2
volume of hole= 4/3pie r^3
after calculation you will get 22.4583 cm approximately..
then 160-22.4583=137.5417cm (appr.) its the remaining area of solid....
breadth..8cm
height..2cm
suface area of rectangular block= L×b×h=160cm
diameter of circular hole =3.5
radius 3.5/2
volume of hole= 4/3pie r^3
after calculation you will get 22.4583 cm approximately..
then 160-22.4583=137.5417cm (appr.) its the remaining area of solid....
aaa7062:
sorry to say but its wrong
but i had tried that's the acheivement i do not know its answer is worng or right..but from me i tried
ya sure i know that
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