Question

AT is a tangent to a circle A with centre O from an external point T such that OT equal to 8 cm and angle OTA =30° find the length of AT in cm ​ give full explanation in picture

Answer 1

Explanation:

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Answer 2

Explanation:

Solution:-

as we know AT = X and OT = 8

taking Cos30⁰= √3/2 = AT/OT

√3/2 = x/8 where x = 8√3/2 = 4√3 .