Topics
Circle Geometry
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CanadaON
Grade 12

Chords of a Circle

Lesson
Practice

Interactive practice questions

Prove $AB$AB = $DE$DE.

Easy
3min

$C$C is the centre of the circle. Calculate $x$x, giving a reason related to the properties in a circle for your answer.

Easy
1min

Calculate $x$x. Give a reason for your answer related to the properties in a circle.

Easy
< 1min

Calculate $x$x, giving reasons for your answer.

Easy
< 1min
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Outcomes

12CT.D.3.3

Determine, through investigation using a variety of tools, properties of the circle associated with chords, central angles, inscribed angles, and tangents (e.g., equal chords or equal arcs subtend equal central angles and equal inscribed angles; a radius is perpendicular to a tangent at the point of tangency defined by the radius, and to a chord that the radius bisects)

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