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15.07.2019 •
Mathematics
One exterior angle of a regular pentagon has a measure of (2x)°. what is the value of x? x = 18 x = 20 x = 30 x = 36
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Ответ:
Since the pentagon is regular, that means that all the sides are the same length. (To find the exterior angle of a regular pentagon do 360/n). Since a pentagon has 5 sides, we will do 360/5 which equals 72 degrees. 2x=72, so x=36.
The answer is D
Ответ:
x = 36
Step-by-step explanation:
Ответ:
whole number starts off with 0
integers positive and negative
counting numbers. starts off with 1