Question

Find the total surface area , lateral surface area and the length of the diagonal of a cube who's edge is 3.2m


pls solve with step by step solutions

Answer 1

Answer:

Solution

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It is given that each edge of a cube =9m

We know that

Volume of cube =a

3

By substituting the values

Volume of cube a

3

So we get

Volume of cube =729 m

3

We know that

Lateral surface area of cube =4a

2

By substituting the values

Lateral surface area of the cube =4×9

2

So we get

Lateral surface area of cube =4×81=214 m

2

We know that

Total surface area of cube =6a

2

By substituting the values

Total surface area of cube =6×9

2

So we get

Total surface area of cube =6×81=486 m

2

We know that

Diagonal of cube =√3a

By substituting the values

Diagonal of cube =1.73×9=15.57 m

Therefore, thew volume is 729 m

3

, lettral surface area is 324 m

2

, total surface area is 486 m

2

and the diagonal of cube is 15.57 m

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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