Question

18. If two tangents inclined at an angle of 60° are drawn to a circle of radius 3cm,
then length of each tangent is equal to
101
313
A) cm
B) 6cm
C) 3 cm ( (1) 33cm
2
Please send me the and

Answer 1

Answer:

CORRECT ANSWER 3 ROOT 3 cm.

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Step-by-step explanation:

Let PA and PB be the two tangents to  a circle with centre O and radius 3

∴∠APO=∠BPO

=21×∠APB

=21×600

=300

Also, OA⊥AP and OB⊥BP

In a right angled triangle OAP,

tan300=PA3

⇒31=PA3

⇒PA=33cm

⇒PA=PB=3 ROOT 3 cm

Answer 2

Answer:

3 root 3 cm

Step-by-step explanation:

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