A class 9th question.

Geometry Level 3

Let the vertex of an angle ABC be located outside a circle and let the sides of the angle intersect equal chords AD and CE with the circle. If O is centre of the circle, angle AOC = 80° and angle DOE = 60°, find angle ABC. Answer in degrees.


The answer is 10.

Gagan Jain by Gagan Jain , 20, India

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1 solution

Mayank Raj
Apr 15, 2015

TO SEE IT SOMEWHAT CLEARLY PLEASE RIGHT CLICK THE IMAGE AND CLICK VIEW IMAGE OPTION

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@Gagan Jain , could u pls tell how u solved this problem https://brilliant.org/problems/functions16/?ref_id=1478827

Jayant Singh - 2 years, 9 months ago

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