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In the figure below, what is the value of a + b + c? ​

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In the figure below, what is the value of a + b + c? ​ [#permalink] New post 23 Jan 2019, 16:07
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In the figure below, what is the value of a + b + c? ​

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A. 210 ​

B. 220

C. 240

D. ​270 ​

E. 280
[Reveal] Spoiler: OA

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Re: In the figure below, what is the value of a + b + c? ​ [#permalink] New post 30 Jan 2019, 07:54
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60+20+c =180 [angles in a straight line add to 180]
or, c = 100

Similarly,
60+a+b = 180[angles in a straight line add to 180]
or, a+b = 120

Therefore a+b+c = 120+100 = 220
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Re: In the figure below, what is the value of a + b + c? ​   [#permalink] 30 Jan 2019, 07:54
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In the figure below, what is the value of a + b + c? ​

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