3) How did people measure lengths in ancient times?
4) Write the precautions that one should take while measuring the length with a scale.
Answers
Answer:
3)In ancient times, the body ruled when it came to measuring. The length of a foot, the width of a finger, and the distance of a step were all accepted measurements. Inch: At first an inch was the width of a man's thumb. ... Span: A span was the length of the hand stretched out, about 9 inches.
4)The precautions to be taken while using a meter scale to measure lengths are as follows : 1)The scale should be placed to the side of the object being measured. It should also be in touch with the object being measured. 2)While reading the scale, eye must be placed vertically above the scale mark being read.
Answer:
3.people in the anvient times would use their hands,foot,sticks and such items for measuring lengths...but as everyperson has different lengths it was not so good idea...
4.i)while measuring a length with scale we should be careful that the scale is broken or not.
ii)the numbers on the scale are not erased.
iii)we should measure the thing with starting point 0.
iv) if the scale is broken,we should measure the thing with the least number on the scale and add the same number to the measure we get...through this we can get exact measurement
Hope this helps you.