Usually a tape measure will do.
The circumference is about 28.9
Because it is difficult to wrap a metre ruler around someone's head.
The circumference of a circle measures the distance around the circle.
This instrument is a balance.
A tiltmeter measures changes in the tilt of the earth. :)A tiltmeter is an instrument that measures changes in the tilt of the earth. :)
If a circle measures 83 inches in circumference the diameter is: about 26.42 inches. You can easily do this calculation for other circles by dividing the circumference by Pi (about 3.1416).
A circumference of 6.28 inches measures exactly 6.28 inches!
The square footage of a circle that measures 159 feet in circumference is about 2,012 square feet.
A measuring tape is flexible - a metre rule isn't !
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.
Head circumference of 3 year old?