ruler
The instrument for measuring the angles of a triangle is called a protractor.
Protractors
A ruler.
Since the units are incompatible, we can't convert in into in². Inches measures length while inches squared measures area.
A rain gauge is a weather instrument that measures precipitation in inches, typically used to measure rainfall.
This instrument is a balance.
You should use a tape measure, ruler, or meter stick. The measurements should be in inches, feet, or centimeters.
An instrument that measures heat and cold is called a thermometer.
A calorimeter measures heat. In contrast, a thermometer measures temperature.A thermometer bolometer - an instrument that measures heat radiation; extremely sensitive calorimeter - a measuring instrument that determines quantities of heatHeat is measured with a ThermometerThermometerThermometer or calorimeterThermometerthermometerHeat is measured with a thermometer.
An anemometer is the instrument that measures wind direction using a wind vane.
A thermometer measures molecular energy.
a calender
ruler
An aeroplane
spirometer
grams