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Kobotan [32]
3 years ago
10

Plzz help. Giving everything!!!!!!!!

Mathematics
1 answer:
xxMikexx [17]3 years ago
6 0

Answer:

A. 25, obtuse

Step-by-step explanation:

By exterior angle theorem:

2x° = 30° + 20°

2x° = 50°

x° = 50°/2

x° = 25°

x = 25

Type of triangle: Obtuse

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<h3>What is the period of a cosine function?</h3>

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Read more on cosine function here: brainly.com/question/4599903

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