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yarga [219]
2 years ago
12

Find the value of x please

Mathematics
1 answer:
Alex2 years ago
7 0

Answer:

<h2>              A. 40°</h2>

Step-by-step explanation:

AO = CO = radius

AO = CO  ⇒  AB = BC  and  m∠AOB = m∠BOC = ¹/₂m∠AOC

From BDOE:

m∠EOB + m∠OBC + m∠CDE + m∠DEO = 360°

(65° + 75°) + 90° + x + 90° = 360°

140° + 180° + x = 360°

x = 40°

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