In the adjoining figure, ABC is a right angled triangle in which angle ABC=90° and AB=6 cm.D is a point on BC produced such that angle ADB= 30° . Find CD.
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Step-by-step explanation:
angleBAC = angle ACB = 45
= AB= BC= 6cm
(AC) ^2 = (AB)^2 + (BC)^2 [Pythagoras]
AC= root72
also, angleACB + angleACD= 180 (Linear Pair)
so, angle6= 95degree
angleCAD= 55degree (Angle sum property)
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hope it help u AND AFTER IT U RATIONALIZE UP PORTION
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