If the length of a rectangle is 15 cm and its breadth is 8 cm, find its perimeter.
Correct: B
The perimeter of a rectangle is given by the formula P = 2(l + b), where P is the perimeter, l is the length, and b is the breadth. Substituting the given values, we get P = 2(15 + 8) = 2 * 23 = 46 cm.