25. A polygon is tangent to the circle. 26. If a central angle measures 25 , then the measure of its intercepted arc is 27. The part of a circle included between two of its points is a/an 28. If inscribed \( \angle B \) measures 48 , then the measure of its intercepted arc, \( \overparen{A C} \), is 29. If inscribed \( \angle C \) intercepts \( \overparen{B D} \), which measures 214 , then the angle measures 30. \( \angle A \) is formed by two tangents and measures 36 . The measure of intercepted \( \overparen{B C} \) is 144 . What is the measure of \( \overparen{B D C} \) ? 31. If central \( \angle A \) intercepts \( \overparen{B C} \), which measures 113 , then \( \angle A \) measures 32. Two chords intersect within a circle and form an angle measuring 65 . The measure of one intercepted arc is 79 . Let \( \overparen{B C} \) be the measure of the other arc. What is the measure of \( \overparen{B C} \) ?
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The Deep Dive
Let's kick things off with some fascinating tidbits! Did you know that the concept of a tangent has been around since ancient Greece? Mathematicians like Euclid and Archimedes laid the groundwork for circle geometry, and tangents became a crucial part of their studies. In a fun geometric twist, a polygon can be inscribed within a circle (think of that cozy fitting), or it can be tangent, just daintily touching the circle at one point. These concepts continue to inspire architects and artists today! Now, if you find yourself grappling with angles and arcs, here’s a nifty tip: always remember that the measure of an inscribed angle is half that of its intercepted arc. This little gem makes problems like finding the value of \( \overparen{B D C} \) much simpler! And watch out for common mistakes! Many enthusiastic students forget to apply this rule consistently, leading them astray. Just keep your circle facts straight, and you'll ace those problems!