A and B are two boxes whose dimensions are 21 cm x 21 cm x 21 cm and 32 cm * 16 cm x 8 cm
respectively. Which box requires the lesser amount of material to make and by how much?
Answers
Answered by
20
Hey Mate!!
Please refer to the attachment.
Attachments:
![](https://hi-static.z-dn.net/files/d99/da79d6cbcfef99b6072901f6f417c4f2.jpg)
Answered by
9
Step-by-step explanation:
T.S.A of box A = 6a^2
=6×21×21
=126×21
=2646 cm^2
T.S.A of box B=2(lb+bh+hl)
=2(36×16+16×8+32×8)
=2(896)
=1792cm^2
box A will require more material
hope it will help u
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