PENTA is a regular pentagon What is the measure of
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OpenStudy (anonymous):
OpenStudy (amistre64):
its a triangle with a top angle of 180/5 right?
So the lower 2 angles there are going to be equal to:
180 - topangle
------------
2
OpenStudy (amistre64):
odd points have angles of 180..even points have angles of 360....if I recall correctly
OpenStudy (anonymous):
its not a traingle its a pentagon
OpenStudy (amistre64):
....uh.... i can see that :) the top part of the pentagon that youve got cut off is a triangle.
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OpenStudy (anonymous):
yeah ok got cha
OpenStudy (amistre64):
a pentagon has interior angles of 360/5 = 72
180-72
------ = = 54... that point up there has an angle measure of
2 54(2) = 108
180-108
------- will equal the angle you want
2
OpenStudy (amistre64):
i get 36 :)
OpenStudy (anonymous):
36 degrees?
OpenStudy (anonymous):
yup :)
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