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10 Jan 2016, 08:41
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D
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Difficulty:
35%
(medium)
Question Stats:
70% (01:54) correct
30%
(01:44)
wrong
based on 117
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In the figure above, what is the sum of the nine angles labeled with letters?
A. 138°
B. 378°
C. 678°
D. 900°
E. It cannot be determined from the information given.
Attachment:
2016-01-10_1940.png [ 5.12 KiB | Viewed 5470 times ]
10 Jan 2016, 08:47
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Wouldn't it be 900°?
There's 180° total in the triangle. If we assume that all 4 corners of each side of the triangle form a circle, that would be 360° * 3 = 1080°
1080° - 180° from the angles not labeled inside the triangle = 900°
Ans D
Please let me know if there are any mistakes here
There's 180° total in the triangle. If we assume that all 4 corners of each side of the triangle form a circle, that would be 360° * 3 = 1080°
1080° - 180° from the angles not labeled inside the triangle = 900°
Ans D
Please let me know if there are any mistakes here
Praveengeol
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10 Jan 2016, 08:48
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Bunuel
Answer D
Question
a+b+c+d+e+f+g+h+i =?
a+b+c = 360-42 = 318
g+h= 180 (On Straight Line)
e+f = 180 (On Straight line)
Considering triangle
180-d+180-i+42= 180
d+i= 222
So a+b+c+d+e+f+g+h+i= 318+180+180+222=900
