To find the measurement of an angle whose tangent is 2/7, you can use the inverse tangent function (also known as arctan or tan^-1).
The inverse tangent of 2/7 is denoted as arctan(2/7) or tan^-1(2/7). Using a calculator or mathematical software, you can determine the value of this expression.
Approximately, arctan(2/7) is equal to 0.2856 radians or 16.26 degrees.
Therefore, the measurement of the angle whose tangent is 2/7 is approximately 16.26 degrees or 0.2856 radians.
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