ab is a tangent drawn from an point b to a circle with centre c qnd radius 1.5 cm sucb that angle cba=30 degree then find the length of tangent ab and line cb.
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Answer: 1.5[3]^1/2
Step-by-step explanation:
Trigonometry is required.
tan30=length of radius/length of tangent.
Plugging value of tan30 as 1/[3]1/2 (oneby root of three) and radius as 1.5 we get value of length of tangent.
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