QUESTION IMAGE
Question
find the measure of the interior angle at f using the diagram below.
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Step1: Recall the triangle angle - sum theorem
The sum of the interior angles of a triangle is \(180^{\circ}\). Let \(\angle C = 73^{\circ}\), \(\angle I=59^{\circ}\), and \(\angle F\) be the unknown angle. Then, by the formula \(\angle C+\angle I+\angle F = 180^{\circ}\).
Step2: Solve for \(\angle F\)
Substitute the values of \(\angle C\) and \(\angle I\) into the equation: \(\angle F=180^{\circ}-\angle C - \angle I\).
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\(48^{\circ}\)