Question

the height of a rectangular solid is 5 times its width and its length is 8 times its height if the volume of the wall is 102.4 cm cube find its length​

Answer 1

Answer:

32cm

Step-by-step explanation:

h=height w=width l= length v=volume

h=5w

l=8h,l=40w

v=102.4cm³

v=lbh

v=40w*5w*w

v=200w³

200w³=102.4

w³=102.4/200

w³=0.512

w=∛0.512

w=0.8cm

h=5*0.8=4cm

l=8*4=32cm

Answer 2

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