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Math , pls helppp ASAP

Math , pls helppp ASAP-example-1
User Timger
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1 Answer

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The tangent line AC forms a right angle with the radius line OC, so the angle at C is 90 degrees.

Angle O is given as 45 degrees, so angle A needs to equal:

180 - 90 - 45 = 45 degrees.

User Chris Mukherjee
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