AC is tangent, AOC is 75 degrees. What is the angle ACO
| September 30, 2021 | education
By the property of the tangent AC, drawn to the circle, the radius OA drawn to this tangent will be perpendicular to this tangent. Then the angle CAO = 90.
The sum of the inner angles of the triangle is 180, then the angle ACO = 180 – CAO – AOC = 180 – 90 – 75 = 15.
Answer: The ACO angle is 15.
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