Question

38) The length of a rectangle is 15.6 cm correct to 1 decimal place.

The width of a rectangle is 3.8 cm correct to 1 decimal place.

Calculate the lower bound for the perimeter of the rectangle.

Answer 1

38.75

Explanation:

perimeter = 2(15.6+3.8) =38.8

lower bound = the smallest value that would round up to the estimated value =38.75