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What is the sum of the interior angle measures of a regular decagon?
4 months ago
Q:
What is the sum of the interior angle measures of a regular decagon?
Accepted Solution
A:
DECA=10, so a decagon has 10 sides.
the sum of all interior angles, in degrees, in a polygon is
180( n - 2 )
where n="number of sides".
for a decagon that'd be 180( 10 - 2 ).