Question

A boy measures the length of a straight
line as 6.2 cm when it actually is 6.6 cm.
Find the % error in his measurement.​

Answer 1

solution,

given,

Actual measure = 6.6 cm

Incorrect measure = 6.2 cm

Error value = 6.6-6.2

= 0.4 cm

Error Percentage

= (0.4/6.6) × 100

= 400/66

= 6.06 %