What is the measure of each interior angle of a regular polygon with 10 sides?

For a regular polygon, each interior angle is:

$\frac{(n - 2)\times 180^\circ}{n}$

Here, $n = 10$

So,

$\frac{(10 - 2)\times 180^\circ}{10} = \frac{8 \times 180^\circ}{10} = 144^\circ$

Final Answer: 144°