Question

A rectangular piece of plastic is 5 millimeters tall and 10 millimeters wide. what is its perimeter? ​ millimeters submit

Answer 1

Perimeter is the sum of the sides of a two-dimensional shape. To calculate the perimeter of rectangle, you have to sum the 4 sides. The formula is P = 2L + 2W. Replacing the formula with the given -
P = 2(5) + 2(10);
   = 10 + 20
   = 30
Therefore, the perimeter of the rectangular piece of plastic is 30 millimeters