A wooden plate is shaped as a pentagon. The measure of one angle is 20°. The remaining interior angles are obtuse and of equal measure.
What is the measure of each obtuse angle in the pentagon?
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OpenStudy (anonymous):
@Ledah HELP
OpenStudy (anonymous):
Hey, Rachel - do you know the total for interior angles of a pentagon?
OpenStudy (anonymous):
(sorry, ledah - i'll let you do this ) :P
OpenStudy (ledah):
A polygon should always equal what?
OpenStudy (ledah):
No its fine Sabimaru
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OpenStudy (anonymous):
360?
OpenStudy (ledah):
correct :D what do you think you need to do knowing that?
OpenStudy (anonymous):
Im not sure :(((((
OpenStudy (anonymous):
I can butt out, but the sum of interior angles of a pentagon isn't 360
OpenStudy (anonymous):
i hate math :/
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OpenStudy (ledah):
Lol sabimaru
OpenStudy (ledah):
I would check again.
OpenStudy (anonymous):
help meeee :(
OpenStudy (anonymous):
Rachel, how many angles are there in a pentagon?
OpenStudy (anonymous):
5
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OpenStudy (anonymous):
Right! So you know the measure of one of these... it = 20 degrees
OpenStudy (anonymous):
wait... huh
OpenStudy (ledah):
Glad you did stick around o_o
I had my methods mixed up.