p. 32
The body of the crab in the above figure is a regular pentagon in shape. What is the sum of the interior angles in its body?
Answer: -----------------------
Figure: http://www.flickr.com/photos/29635386@N06/3750950997/
maths! maths! maths!
2009-07-24 10:57 pm
回答 (1)
2009-07-24 11:22 pm
✔ 最佳答案
The sum of the interior angles of an n-sided polygon is given by the equation:(n - 2) X 180*
Therefore, for the pentagon, there are 5 sides.
So, the sum of the interior angles
= (5 - 2) X 180*
= 540*
參考: Physics king
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