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Mathematics 9 Online
OpenStudy (anonymous):

Help? :) Picture attached.

OpenStudy (anonymous):

OpenStudy (callisto):

Use he circle property : equal arc , equal chord So, 6x = 7x-22 Can you solve it now?

OpenStudy (callisto):

Sorry, it should be equal chord, equal arc And you can see that the chord are marked equal

Directrix (directrix):

If two chords of a circle are congruent, they cut off congruent arcs on the circle. 6x = 7x -22 22 = x m arc AB = 6(22) = 132 m arc CD = 7(22) -22 = 22(7 - 1) = 22(6) = 132

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