Question

1)what is SI unit?
2) what measureing instrument do we use to measure the circumference of a round table ​

Answer 1

1)what is SI unit?

=The SI base units are the standard units of measurement defined by the International System of Units (SI) for the seven base quantities of what is now known as the International System of Quantities: they are notably a basic set from which all other SI units can be derived.

2) what measureing instrument do we use to measure the circumference of a round table tape measure?

Center Is Key

Measure circumference by placing a tape measure along the side edge of the table and wrapping the tape measure all the way around until the ends meet.

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