The length of a 3D rectangle is 8cm greater than the width and the height is half the length. A total of 108 cm of wire has been used the make this framework. What are the dimensions of this box?

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asked Sep 19, 2019 203k views

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The length of a 3D rectangle is 8cm greater than the width and the height is half the length. A total of 108 cm of wire has been used the make this framework. What are the dimensions of this box?

Mathematics
middle-school

Djjeck asked

by Djjeck

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The dimension is 3d and 8 cm

Niema answered Sep 20, 2019

by Niema

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Answer:

L=W+8

(W+8)W=105

W^2+8W=105

W^2+8W-105=0

(W+15)(W-7)=0

W-7=0

Raskolnikov answered Sep 25, 2019

by Raskolnikov

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