A diameter and a chord equal to the radius are drawn from the point of this circle. Find the angle between them.
| April 3, 2021 | education
By condition, the chord AB is equal to the radius of the circle, OA = AB.
Draw a radius from the center of the circle to point B of the chord.
The resulting triangle is equilateral, since OA = AB = OB = R.
In an equilateral triangle, all angles are 60.
Answer: The angle OAB is 60.
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