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Galina-37 [17]
2 years ago
14

Solve for x solve for x

Mathematics
1 answer:
alekssr [168]2 years ago
7 0
All the angles added up = 360°

46 + 4x - 2 + 9x + 6 + 8x - 5 = 360
21x + 45 = 360
21x = 315
x = 15

Let me know if you have questions.
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Step-by-step explanation:

Given the circle in which measure of arc BC is 72°

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By theorem angle subtended at the centre is twice the angle formed at the circumference of circle.

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By alternate segment theorem which states that

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⇒ ∠3=∠1=36°

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