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# In the circle above with center O, what is the measure of angle y?

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Math Expert
Joined: 02 Sep 2009
Posts: 55639
In the circle above with center O, what is the measure of angle y?  [#permalink]

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11 Sep 2018, 03:06
00:00

Difficulty:

35% (medium)

Question Stats:

65% (00:35) correct 35% (00:50) wrong based on 23 sessions

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In the circle above with center O, what is the measure of angle y?

(1) Angle z = 35
(2) Angle x = 110

Attachment:

image030.gif [ 1.83 KiB | Viewed 417 times ]

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In the circle above with center O, what is the measure of angle y?  [#permalink]

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11 Sep 2018, 04:38
Bunuel wrote:

In the circle above with center O, what is the measure of angle y?

(1) Angle z = 35
(2) Angle x = 110

Attachment:
image030.gif

Question : Angle y = ?

Angle y = angle z as the triangle is isosceles due to two sides being the radius of the circle and also x+y+z = 180º
i.e. we need either x or z to get value of y

Statement 1: Angle z = 35

SUFFICIENT

Statement 2: Angle x = 110

SUFFICIENT

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In the circle above with center O, what is the measure of angle y?   [#permalink] 11 Sep 2018, 04:38
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