Can some one help me with this math problem and explain their self's as well?

Mathematics

1 answer:

yaroslaw [1]3 years ago

3 0

Answer:

20 side polygon: 180 x (20 -2)

Step-by-step explanation:

A n side polygon can be divided into n-2 triangles

each triangle has 180°

n-2 triangles have 180 x (n-2) degrees

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