Through which angle of rotation does the image of a regular pentagon coincide with its preimage?
2 answers:
Since a complete turn would be of 360 and that a pentagon has 5 sides you take 360/5 =72 so each angle of 72 degrees returns the original configuration
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Answer: </h2>
The angle of rotation by which the image of a regular pentagon coincide with its pre-image is:
72°
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Step-by-step explanation: </h2>
Regular polygon--
A regular polygon is a polygon in which all the sides and all the interior angles are equal i.e. the polygon is equilateral and equiangular.
In general the angle of rotation of a regular n-polygon is given by:
where n is the number of sides in a polygon.
Here we have n=5 (pentagon)
Hence, the angle of rotation of the image is:
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Answer
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Answer:
120 Minutes
Step-by-step explanation:
24 minutes / 2 miles = 12 minutes / 1 mile
12 minutes / 1 miles = x minutes / 10 miles
Cross multiply
12*10/1 = x
120 / 1 = x
x = 120
Hope that helps!