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11 Mar 2023, 15:18
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
58% (02:52) correct
42%
(02:54)
wrong
based on 45
sessions
History
Date
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Not Attempted Yet
In triangle ABC, AB = AC. If there is a point P strictly between A and B such that AP = PC = CB, then \(\angle\)A =
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15 Mar 2023, 13:16
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twobagels
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All angles in same color are equal.
All angles in Orange are \(180-2x\)
All angles in Green are \(x\)
\(\angle\) PCB (in yellow) \( = x- (180-2x) = 3x-180\)
Therefore in \(\Delta \)PCB :
\( x+x+3x-180 = 180 \)
\(x= 72\)
\(\angle\) A \(= 180-2*72 = 180-144 = 36\)
Ans B
Hope it helps.
15 Aug 2024, 18:50
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