In the given figure, TA is a tangent to the circle with centre O such that OT = 4 cm, ∠ OTA = 30° , then length of TA…

CBSE Class 10 Maths PYQ · Circles · Tangents & All · 1 Mark · March 2023 · Standard

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61 Mark · March 2023 · Standard

In the given figure, $TA$ is a tangent to the circle with centre $O$ such that $OT = 4$ cm, $\angle OTA = 30^\circ$, then length of $TA$ is :

• (a)$2\sqrt{3}$ cm
• (b)$2$ cm
• (c)$2\sqrt{2}$ cm
• (d)$\sqrt{3}$ cm

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Sol. (a) $2\sqrt{3}$ cm