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# Aface diagonal of a cubical box is 5√2cm. if the box is to be wrapped, how much material is needed?

• Réponse publiée par: kateclaire

5*5*6 = 150cm2

Step-by-step explanation:

side is 5, side area is 5*5, there are 6 sides

• Réponse publiée par: kuanjunjunkuan
150 cm² of materials is needed to wrap the box.

Step-by-step explanation:

The diagonal of a square is the product of its side or edge and √2.

The face diagonal of a cubical box is edge√2.

Find the edge/side of the cube if its diagonal is 5√2 cm:

Diagonal = side√2

5√2 = side√2

side = (5√2)/(√2)

side = 5 cm.

Find the total surface area of the cube whose faces are 6:

Total surface area = 6(side)²

Total SA = 6(5 cm)²

Total SA = 6(25 cm²)

Total SA = 150 cm²
• Réponse publiée par: homersoncanceranguiu

-14x

Step-by-step explanation: because (3x-10)2=-14x

Just do the 3-10=7

7x2 = - 14

Why negative because negative ten is higher that positve 3

So basically the answer is -14x

• Réponse publiée par: HaHannah