50 cm
T
50 cm
50
cm
material to make?
A
40 cm
50 cm
60 cm
B 50
50
50
1. There are two cuboidal boxes as
shown in the adjoining figure. Which
box requires the lesser amount of material to make
Answers
Answered by
5
Step-by-step explanation:
For 1st cuboidal box,
Length(l) = 60cm
Breadth(b) = 40cm
Height(h) = 50cm
Now material used for making of this box is equal to TOTAL SURFACE AREA OF CUBOIDAL.
Therefore,
Material required = 2*(l*b+b*h+h*l)
= 2(60*40+40*50+50*60)
=2(2400+2000+3000)
=2(7400)
= 14800 sq cm
Similarly use this method for other cuboidal,
Given,
Length(l)= 50 cm
Breadth(b)= 50 cm
Height(h)= 50 cm
Material required = 2(l*b+b*h+h*l)
=2(50*50+50*50+50*50)
=2(7500)
= 15000 sq cm
Comparing both values we came to know that First cuboidal box requires less material
Answered by
2
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