Question

find the volume lateral surface area and total surface area of each of the cubes with edges 2 .8 m​

Answer 1

Answer :-

• The volume of cube is 21.952m³.
• The total surface area of cube is 47.04m².
• The lateral surface area of cube is 31.36m².

Step-by-step explanation :

To Find :-

• The volume
• The total surface area
• The lateral surface area of cube

Solution :-

Given that,

• Edge of a cube = 2.8m

According the question,

• The Volume of cube

As we know that,

Volume of cube = a³ cubic units,

=> a³

=> (2.8)³

=> ( 2.8 × 2.8 × 2.8 ) m³

=> ( 7.84 × 2.8 ) m³

=> 21.952m³

Hence, The volume of cube is 21.952m³.

• The total surface area of cube

As we know that,

Total surface area of cube = 6(a)² sq. units,

=> 6(a)²

=> 6 × ( 2.8 )²

=> ( 6 × 7.84 ) m²

=> 47.04m²

Hence, The total surface area of cube is 47.04m².

• The lateral surface area of cube

As we know that,

Lateral surface area of cube = 4(a)² sq. units,

=> 4(a)²

=> 4 × ( 2.8 )²

=> ( 4 × 7.84 ) m²

=> 31.36m²

Hence, The lateral surface area of cube is 31.36m².