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Can you help me with geometry
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Can you help me with geometry

User Bella
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21) In the given figure : there are 7 equal sides.

A regular heptagon, in which all sides and all angles are equal, has internal angles of 5π/7 radians.

Internal angle : 5π/7 = 128.571°

The sum of all angles on straight line is 180 degree

So, n + 128.57 = 180

n = 180 - 128.57

n = 51.43

Answer : n = 51.43

Can you help me with geometry-example-1
User Fanor
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