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Mathematics 7 Online
OpenStudy (anonymous):

The measure of each exterior angle of a regular polygon is 36 degrees. What is the name of the polygon?

jimthompson5910 (jim_thompson5910):

use the formula E = 360/n E = measure of each exterior angle n = number of sides

OpenStudy (anonymous):

|dw:1414282593174:dw|

OpenStudy (calculusfunctions):

Hint: The sum of any interior angle and its adjacent exterior angle is on hundred eighty degrees.

OpenStudy (calculusfunctions):

Or as @jim_thompson5910 said.

OpenStudy (anonymous):

What is the exterior equation?

jimthompson5910 (jim_thompson5910):

E = 36 is given to you

OpenStudy (anonymous):

Soo I don't get it?

jimthompson5910 (jim_thompson5910):

plug E = 36 into the equation and solve for n

OpenStudy (anonymous):

What is the equation tho?

jimthompson5910 (jim_thompson5910):

it's posted at the top

OpenStudy (anonymous):

10?

jimthompson5910 (jim_thompson5910):

n = 10, yes

OpenStudy (anonymous):

Thats the answer?

jimthompson5910 (jim_thompson5910):

what polygon has 10 sides

OpenStudy (anonymous):

decagon

jimthompson5910 (jim_thompson5910):

yes

OpenStudy (anonymous):

Thank you

jimthompson5910 (jim_thompson5910):

np

OpenStudy (anonymous):

But wait how is it a decagon it only has 5 sides

jimthompson5910 (jim_thompson5910):

you're mixing up the two problems

OpenStudy (anonymous):

It's one problem

jimthompson5910 (jim_thompson5910):

then there's a typo somewhere

OpenStudy (anonymous):

Alright

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