Question

medals rewarded!
Find the number of sides in the polygon with whose angles measures have the given sum.
18,000°
a.102
b.98
c.200
d.120

Answer 1

Hmm

Answer 2

does this have a picture?

Answer 3

no, it doesn't.

Answer 4

If I recall correctly, the formula for the sum of the angles in a polygon with n sides is:
\[180(n-2)\]So, set this equal to 18000:
\[18000=180(n-2)\]Divide both sides by 180:
\[100=n-2\]I think you know what to do from here.

Answer 5

so the answer would be 98?

Answer 6

After you add 2 to both sides you'll get n=102 sides.