If each interior angle of a polygon is 14 times its exterior angle , the number of sides of the polygon is
Answers
Step-by-step explanation:
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the measure of each interior angle of a regular polygon is 14 times the measure of an exterior angle. how many sides does the polygon have?
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The interior and its corresponding exterior angle are supplementary.
x + 14x = 180
15x = 180
x = 12 degrees (the exterior angle)
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Fact: The sum of the exterior angles is 360 degrees
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# of exterior angles = 360/12 = 30
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# of sides = # of exterior angles = 30
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Answer:
If each interior angle of a polygon is 14 times its exterior angle, the number of sides of the polygon is 30
Explanation:
Given:
The Interior angle of a polygon is 14 times its exterior angle
To Find:
The number of sides of the polygon
Solution:
The outer angle plus the next interior angle equal to 180 degrees
Thus, External Angle + Internal angle = 180
e + i = 180
Because each interior angle is 14 times as large as its neighboring exterior angle, i = 14e
e + 14e = 180
15e = 180
e = 12 degrees
We know that the measure of an exterior angle is e = 360/n degrees where n is the number of sides
As, e = 12
n =
Hence, the number of sides is 30
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