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Mathematics 20 Online
OpenStudy (anonymous):

Can some one help me find the a mesure in this angle

OpenStudy (anonymous):

OpenStudy (anonymous):

please help me, please

OpenStudy (amistre64):

i recall it vaguely; have to look it up again :)

OpenStudy (anonymous):

40 degrees.

OpenStudy (anonymous):

thank you

OpenStudy (amistre64):

angle = (1/2)(outer-inner)

OpenStudy (amistre64):

angle = (80-40)/2

OpenStudy (amistre64):

20 degrees

OpenStudy (anonymous):

20 degrees was my second guess but I wasn't quite sure.

OpenStudy (amistre64):

i had a vague idea, but had to look it up lol

OpenStudy (amistre64):

http://library.thinkquest.org/20991/geo/circles.html

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