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13 Jul 2021, 01:30
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If arc ABC in the circle above is 210°, then what is the value of x°+y°?
A. 70°
B. 80°
C. 105°
D. 115°
E. 210°
Attachment:
1.png [ 5.63 KiB | Viewed 2144 times ]
13 Jul 2021, 01:38
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Explanation:
As Arc ABC has an angle of 210°
x°+y° will be half of angle Arc ABC i.e. 210/2 = 105°
IMO-C
As Arc ABC has an angle of 210°
x°+y° will be half of angle Arc ABC i.e. 210/2 = 105°
IMO-C
13 Jul 2021, 02:14
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X is half central angle by arc AB and
Y is half of central angle by arc BC
X+Y = 210/2 = 105
(C) is the right answer
Y is half of central angle by arc BC
X+Y = 210/2 = 105
(C) is the right answer
Bunuel
