# Find the surface area of a rectangular parallelepiped whose length is 12 cm, the width is 7 cm

Find the surface area of a rectangular parallelepiped whose length is 12 cm, the width is 7 cm less than the length and the height is 2 cm more than the width, find the sum of the lengths of all the edges

Determine how many centimeters the width of the rectangular parallelepiped is equal to:

12 – 7 = 5.

Determine how many centimeters the height of the rectangular parallelepiped equals:

5 + 2 = 7.

Determine the surface area of the specified rectangular parallelepiped:

2 (12 * 5 + 5 * 7 + 12 * 7) = 358.

Let’s define the sum of all edges of the specified rectangular parallelepiped:

4 * (5 + 7 + 12) = 96.

Answer: The surface area of the parallelepiped is 358 cm2, and the sum of all the edges is 96 cm. One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.