SKYBLUE1015
09.10.2019 •
Mathematics
The sum of a regular pentagon’s internal angles is 1440 degrees. find the number of degrees in each angle in the polygon.
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Ответ:
1/5 of 1440° is 288° .
But the sum of any pentagon's internal angles is 540°, not 1440°.
Ответ:
pentagon
gon=sides
penta=5
5 sides
therefor 5 internal angles
regular pentagon's angles are all equal
therefor
if a=measure of each angle
5a=total=1440
solve for a
5a=1440
dividie btoh sides by 5
a=288
288 degrees
Ответ:
Choice A) (-2,2)