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.
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