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Please help everyone
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Please help everyone

Please help everyone-example-1
User Muddybruin
by
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1 Answer

1 vote

Answer:

x = 130

Explanation:

The angle between a tangent and the radius of a circle = 90°, thus

∠ OAC = ∠ OBC = 90°

The sum of the interior angles of OACB = 360°

Subtract the sum of the known angles from 360 for x, that is

x = 360 - (90 + 90 + 50) = 360 - 230 = 130

User Maxqueue
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