MathematicsMedium38×since 2004Q3904If the angles of elevation of the top of a tower from three collinear points A,BA, BA,B and C,C,C, on a line leading to the foot of the tower, are 30∘{30^ \circ }30∘, 45∘{45^ \circ }45∘ and 60∘{60^ \circ }60∘ respectively, then the ratio, AB:BC,AB:BC,AB:BC, is :A1:31:\sqrt 31:3B2:32:32:3C3:1\sqrt 3 :13:1D3:2\sqrt 3 :\sqrt 23:2Check answerSkip