In the diagram of $\bigodot D$⊙D, $\overline{IH}$IH is tangent to the circle at point $H$H and $\overline{IE}$IE is tangent to the circle at point $E$E.
Easy
1min
Find the value of $x$x.
Medium
1min
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Identify and describe relationships among angles, radii, chords, tangents, and arcs and use them to solve problems. Include the relationship between central, inscribed, and circumscribed angles and their intercepted arcs; inscribed angles on a diameter are right angles; the radius of a circle is perpendicular to the tangent where the radius intersects the circle.