Discussion
What is the ratio of the interior angle to the exterior angle of a regular pentagon?
Answer: B
For a regular pentagon, n=5.
The measure of each exterior angle = \(360°/n = 360°/5 = 72°\).
The measure of each interior angle = \(180° - 72° = 108°\).
The ratio of interior angle to exterior angle is 108:72. Dividing both by 36 gives the ratio 3:2.
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