Find the perimeter of a rectangle with a length of 8 cm and a width of 5 cm.
Correct: D
The perimeter of a rectangle is given by the formula P = 2(l + w), where P is the perimeter, l is the length, and w is the width. Plugging in the given values, we get P = 2(8 + 5) = 2*13 = 26 cm.