Find the total area of the side faces of a rectangular parallelepiped if its length, width

Find the total area of the side faces of a rectangular parallelepiped if its length, width, height are respectively equal: 0.8 m. 0.2m. 4.5 m

In order to determine the total area of all side faces of a rectangular parallelepiped, you need to use the following formula:

S = 2 * (a * b + b * c + a * c),
where:

S is the area of the lateral edges of the figure;

a – the length of the parallelepiped (0.8 m);

b is the width of the parallelepiped (0.2 m);

c – the height of the parallelepiped (4.5 m).

Substituting the values into the formula.

S = 2 * (0.8 * 0.2 + 0.2 * 4.5 + 0.8 * 4.5) = 2 * (0.16 + 0.9 + 3.6) = 2 * 4, 66 = 9.32 m2

Answer:

The area of the side faces of the parallelepiped is 9.32 m2