document.write( "Question 1090543: Find the measure of an interior angle and an exterior angle of a regular decagon. \n" ); document.write( "

Algebra.Com's Answer #705005 by MathTherapy(10555) $\"\"$ $\"About$

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Find the measure of an interior angle and an exterior angle of a regular decagon.
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A decagon has 10 sides and angles.
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document.write( "A REGULAR decagon has 10 CONGRUENT sides and angles.
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document.write( "One of its CONGRUENT exterior angles: 
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document.write( "One of its CONGRUENT interior angles:  \n" );
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