Protractor...
use your ruler to measure the sides
A tape measure.
How about a micrometer
A meter rule.
What instrument do we use to measure the electrical and mechanical vibrations
We use perimeter to measure the length and breadth so that we can easily find out the measurement of a figure
The instrument used to measure humidity is called a hygrometer.
The instrument used to measure humidity is called a hygrometer.
area and perimeter.
Metre.
Yes on vast scale
I would use kilometers.
The barometer is the instrument that is used to measure the air pressure.
thermostat
seismographs
Protractor...