Angle ABC was measured by the repetition method and the values measured are: 127⁰-15'-50" 127⁰-16'-14" 127⁰-15'-42" 1270-16'-06" What is the average angle value for angle ABC ? 127⁰-15'-28" 127⁰-16'-30" 127⁰-15'-58"

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.