Question

write some more examples where we use instruments to measure the length and some examples where we don't use any instruments but use foot handspan plam etc. to measure the length​

Answer 1

Answer:

to measure table , house length etc.... we use measuring instruments

flowers we use our hands so we don't use measuring instruments

Answer 2

ANSWER:- MEASUREMENTS BY ISTRUMENTS:-

i) measuring tapes or inch tape used to measure flexible strips of clothes or plastic often used to measure body to make clothes.

ii)Steel tapes are more rigid than the inch tapes but still flexible which is used to measure length in construction material and layout rooms.

iii) RULER are short rigid length of plastic or word used to measure small measurements.

iv) Vernier caliper -it is a visual aid to take an accurate measurement reading between two graduate masses on a linear scale by using mechanical interpollation.

BODY PARTS AS MEASURING TOOLS:-

i)pace-is used to measure distances

ii) handspan-used to measure lengths.

iii)foot-what is a unit of measuring length it is originally based on the length of a foot.

iv) Fathom -is used to measure length by out stretching their arms.

v)cubit-provide convenient middle unit between the foot and the yard measured by out stretching their arms and middle finger..

Vi)digit- it is a measurement based on length of measuring the breadth of human finger it is a fundamental unit of length in ancient egyptian, ancient Greek, Roman system of measurement.

hope it helps a lot !!

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