Personally, I would measure the length of a grain of rice in millimeters.
a millimeter
2.5
If you wanted to describe the length and breadth of an irregular shape you would find the maximum length and breadth. You could sandwich the object between two flat boards, and measure the distance between the boards. Then rotate the object 90o and do it again, for the breadth.
I would multiply the length of one edge by itself 3 times.
It is meant to describe something occurring 4 times per year, or once per quarter. If you wanted to describe something occurring once every four years, you would say it is a quadrennial event.
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a millimeter
Answer: Inches
2.5
Milligrams
length
length
length
a supporter is helpful to what is wanted to be done
If you wanted to describe the length and breadth of an irregular shape you would find the maximum length and breadth. You could sandwich the object between two flat boards, and measure the distance between the boards. Then rotate the object 90o and do it again, for the breadth.
Originally people simply exchanged goods. A farmer would exchange grain for meat. A farmer would exchange grain for a piece of pottery. Things became complicated if the hunter wanted a clay pot, the potter wanted a fish, the fisherman wanted some grain, and the farmer wanted some meat. Some brilliant individual invented money. It enabled a person to sell what he had and to buy what he wanted. People no longer needed to exchange goods and keep exchanging goods until they got what they wanted.
feet The meter (m) is the international unit (in SI) for length.