Question

Find the sum of the measures of the angles in a nonagon (9 sides).
a. 620° b. 900° c. 1260° d. 1620°

Answer 1

We can us the equation

\[(n-2) \times 180\]

Where 'n' is the number of sides of the polygon...here we have 9 sides ...so

\[(9-2) \times 180\]

\[7 \times 180 = \space?\]

Answer 2

c

Answer 3

There you go!