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Let there be a circle with center O and from an external point T two tangents are drawn to the circle at P and Q. ∠PTQ=60°

Join OT and in ΔOTP
∠OTP=30°(60° is bisected by the line from centre)

OP/PT= opposite / adjacent= tan30°
PT=5√3 cm

Therefore the length of the tangent is 5√3 cm

Hope it helped you!! :)
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ty ty so much sir
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