Question 58
One of the angles of an exceptional isosceles triangle is $10^{\circ}$ larger than some other angle of this triangle. What is the least possible size of the smallest angle of an exceptional isosceles triangle?
(A) $52^{\circ} 20^{\prime}$
(B) $53^{\circ} 20^{\prime}$
(C) $56^{\circ} 40^{\prime}$
(D) $63^{\circ} 20^{\prime}$
(E) $66^{\circ} 40^{\prime}$
(A) $52^{\circ} 20^{\prime}$
(B) $53^{\circ} 20^{\prime}$
(C) $56^{\circ} 40^{\prime}$
(D) $63^{\circ} 20^{\prime}$
(E) $66^{\circ} 40^{\prime}$