O is the centre of the circle, A and B are distinct points on the circle. If x and y are integers, then the
least possible value of y is:
(A) 10°
(B) 1°
(C) 20
(D) 0°
(E) Data is not sufficient
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Answered by
0
Answer:
e) the data is not sufficient
Step-by-step explanation:
it can be anything more then 0 degree
(90degree - 2x)
as it is an isosceles triangle(AO=OB)
Answered by
1
Answer:
(C) 2°
Step-by-step explanation:
OA=OB
it is an isosceles triangle, angle x = angle OBA
if y = 1°, then x = (180°-1°)/2 = 89.5°, which is not an integer
so the minimum angle has to be 2°, for x to be integer
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