Question

A square is 5cm by 5cm. A student measures a side of a square as 4.9cm. She uses her measurement to calculate the area of the square. find the percentage error
1. Length of the side
2.area of the square

Answer 1

Lenght of side % error = 0.1/5 * 100 = 2%

Actual area = 25

calc area = 24.01

% error = .99/25*100 = 3.96%