1.In the figure circle O and Q tangent at T . Chord AB is tangent to circle Q at D, AD =a and BD =b.
The sagitta of arc AB is CM =c. If r is radius of circle Q.
which one is ture-
(A) a.c = 2b.r
(B) a.b = 3b.r
(C) a.b = 2c.r
(D) a.c= 3b.r
The sagitta of arc AB is CM =c. If r is radius of circle Q.
which one is ture-
(A) a.c = 2b.r
(B) a.b = 3b.r
(C) a.b = 2c.r
(D) a.c= 3b.r
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