exterior angle - Hutchinson encyclopedia article about exterior angle Printer Friendly
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exterior angle

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exterior angle

One of the four external angles formed when a straight line or transveral cuts through a pair of (usually parallel) lines. Also, an angle formed by extending a side of a polygon.



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JOA = 2[alpha]+ [alpha] = 3[alpha]= 60 [degrees] [alpha]= 20 [degrees] alternate interior angles construction property 2 equal sides base angles of isosceles triangle Exterior angle to a triangle radii of [C.
Question 2 A regular polygon has an exterior angle of 20 degrees.
 
 
 
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