Polygon Riddle 2

A Maths Starter of The Day

My first is in shape but not in space;
My second is in line and also in place;
My third is in point but not in line;
My fourth in operation but not in sign;
My fifth is in angle but not in degree;
My sixth is in glide but not symmetry;
My seventh in round but not in square;
My last is in patterns you see everywhere;
My whole is a polygon, regular not wide;
But what is the sum of the angles inside?

 

Hint: split the shape into triangles

 

 

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"The last line of the riddle asks what is the total of the inside angles of the polygon and the answer states 900 degrees. I do not believe this to be correct as the total of the internal angles of any polygon only add up to 360 degrees."

Hayley Roberts, Gloucestershire
Saturday, July 28, 2007

 

"I thought it was the EXTERNAL angles of a polygon which total 360! Think triangle - the internal angles add up to 180!!"

Tracey Roden, ICC
Sunday, August 24, 2008

 

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This starter has scored a mean of 3.0 out of 5 based on 15 votes.
 

  

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Answer

Heptagon 900°