Question

in the figure point A is the centre of the circle and it's tangent CD touches the circle at point B be the radius of the circle is 4cm. if m angleBAC=30,then find AC
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Answer 1

Step-by-step explanation:

angle ACB=60°

sin60°=r/AC

AC=4/√3/2=8/√3

AC=8√3/3 cm