What is the degree measure of an interior angle of a regular 10-sided polygon? \( 18^{\circ} \) \( 36^{\circ} \) \( 144^{\circ} \) \( 54^{\circ} \)
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The formula is: \[ \text{Interior angle} = \frac{(n-2) \times 180^\circ}{n} \] where \( n \) is the number of sides of the polygon. Show more…
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