Topics
13. Circle Geometry
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Math 1

13.02 Inscribed angles and polygons

Lesson
Practice

Interactive practice questions

Find the value of $x$x.

 

A circle with an inscribed angle is shown, with each points of the triangle touching the circumference of the circle. The angle intercepts an arc on the circle marked as 132 degrees. Directly opposite this arc, is an inscribed angle labeled as
A circle with an inscribed angle is shown, with each points of the angle touching the circumference of the circle. The angle intercepts an arc on the circle marked as 132 degrees. Directly opposite this arc, is an inscribed angle labeled as 'x' degrees
Easy
< 1min

Solve for $x$x.

Easy
< 1min

Find the measure of the minor arc $RT$RT.

Easy
< 1min

Find $m\angle ADB$m∠ADB.

Easy
< 1min
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Outcomes

G.C.2

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.

G.C.3

Construct the inscribed and circumscribed circles of a triangle; prove and apply the property that opposite angles are supplementary for a quadrilateral inscribed in a circle.

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