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Oksana_A [137]
3 years ago
5

The diagram shows a regular pentagon with centre O.Work out the size of angle x.​

Mathematics
1 answer:
Vinil7 [7]3 years ago
6 0

Answer:

54

Step-by-step explanation:

Each vertex of the pentagon has an angle of 108 degrees. So, x = 108/2 = 54

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The value of cos x⁰ from the information given is; g/h.

<h3>What is the value of cos x⁰?</h3>

According to the task content;

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From conventional Trigonometry;

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On this note, it follows that;

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