asked 94.6k views
3 votes
Is it possibale for the interior angles of a regualr polygon to each measure 170 a.true b.false

asked
User Staskrak
by
8.1k points

1 Answer

3 votes

Answer: True

Step-by-step explanation

For regular polygons, the interior angle formula is

i = 180(n-2)/n

where n is the number of sides. Let's replace the 'i' with 170 and solve for n.

i = 180(n-2)/n

170 = 180(n-2)/n

170n = 180(n-2)

170n = 180n-360

170n-180n = -360

-10n = -360

n = -360/(-10)

n = 36

We see that an interior angle of 170 degrees is possible. It happens when the regular polygon has 36 sides.

Check:

i = 180(n-2)/n

i = 180(36-2)/36

i = 170

The answer is confirmed.

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