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salantis [7]
2 years ago
6

Brainiest will be given . Please help me

Mathematics
1 answer:
mixas84 [53]2 years ago
6 0

Answer:

If the shape of end face has n sides

Then, in total, there are n+2 faces

Using that formula

Faces in 20-sided polygon = n+2 = 20+2 = 22

Step-by-step explanation:

Pls vote as brainliest

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