Q:
# Which instruments are used to measure length?

There are many instruments used to measure length including rulers, tape measures, micrometers, gauges and vernier calipers. There are also instruments that make use of scientific principles to deduce length where it may not be directly measured. Measuring lengths accurately has been a driving force behind much of human civilization.

Continue ReadingMeasuring the length of waves of light, sound, X-rays and radio waves is accomplished by analyzing the composition of the waves using scientific techniques that can be incorporated into the design of instruments. Measuring distances in outer space requires instruments that make use of radar, parallax, cepheids, supernovae, red-shift and Hubble's Law. In 225 B.C., Eratosthenes was the first person to accurately measure the circumference of the Earth. He did this by comparing the lengths of shadows in two different cities on the summer solstice and applying geometric principles.

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Q:
## How big is 450 square feet?

A: A rectangular space with a length of 45 feet and a width of 10 feet measures 450 square feet. The square footage of a rectangular area is the product of th... Full Answer >Filed Under: -
Q:
## How do you measure length, width and height?

A: You can measure the length, width and height of any object by using a measuring device, such as a ruler or tape measure. Laying the object on a flat surfac... Full Answer >Filed Under: -
Q:
## How do you read a 1/32 tape measure?

A: A 1/32 tape measure can be read by counting how many marks short of a full inch a given length is. For example, if a given length is 8 marks on a 1/32 tape... Full Answer >Filed Under: -
Q:
## How do you read room measurements?

A: Room measurements can be read using a length measuring tape. The area of a rectangular shaped room can be calculated by multiplying the length by the width... Full Answer >Filed Under: